XIAMETER(R) VARNOSTNI LIST XIAMETER(R) PMX-0244 … · XIAMETER(R) VARNOSTNI LIST V skladu z 31....

XIAMETER(R) VARNOSTNI LIST

V skladu z 31. členom in Prilogo II Uredbe ES o REACH

Različica: 3.4 Datum dopolnjene izdaje

07.02.2011 Nadomešča datum:

15.12.2010

XIAMETER(R) PMX-0244 CYCLOTETRASILOXANE

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1. IDENTIFIKACIJA SNOVI/PRIPRAVKA IN DRUŽBE 1.1

Ime proizvoda

:

XIAMETER(R) PMX-0244 CYCLOTETRASILOXANE Registracijska številka REACH: 01-2119529238-36

1.2 Identifikacija uporabe : Kozmetični proizvodi Topilo Intermediat

Odsvetovane uporabe : Nobena znana.

1.3 Družba : Dow Corning Europe S.A. rue Jules Bordet - Parc Industriel - Zone C B-7180 Seneffe Belgium

Elektronski naslov (Varnostni List)

: [email protected]

Služba za podporo strankam

: English Tel: +49 611237507

Français Tel: +32 64511149

Fax: +49 611237601 Fax : +32 64888683 1.4

Telefon za klic v sili

:

Dow Corning (Barry U.K. 24h) Dow Corning (Wiesbaden 24h) Dow Corning (Seneffe 24h)

Tel: +44 1446732350 Tel: +49 61122158 Tel: +32 64 888240

2. UGOTOVITVE O NEVARNIH LASTNOSTIH 2.1

Klasifikacija snovi ali zmesi

V skladu z Uredbo (ES) št. 1272/2008:

Vnetljiva tekočina: Kategorija 3 Strupenost za razmnoževanje: Kategorija 2 Kronična nevarnost za vodno okolje: Kategorija 4

V skladu z Direktivama EU 67/548/EGS ali 1999/45/ES:

R53 Lahko povzroči dolgotrajne škodljive učinke na vodno okolje. R62 Možna nevarnost oslabitve plodnosti.





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2.2 Elementi nalepk

Opozorilna beseda:

Pozor

Stavki o nevarnosti: Vnetljiva tekočina in hlapi. Sum škodljivosti za plodnost. Lahko ima dolgotrajne škodljive učinke na vodne organizme.

Previdnostni stavki: Hraniti ločeno od vročine/isker/odprtega ognja/vročih površin. - Kajenje prepovedano. Preprečiti statično naelektrenje. Hraniti na dobro prezračevanem mestu. Hraniti na hladnem. Preprečiti sproščanje v okolje. Ne vdihavati hlapov. Preprečiti stik z očmi.

2.3 Druge nevarnosti Hlapi lahko tvorijo eksplozivne zmesi z zrakom.





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3. SESTAVA/INFORMACIJE O SESTAVINAH Kemijska karakterizacija: Silikon V skladu z Direktivama EU 67/548/EGS ali 1999/45/ES: Ime Št. CAS EINECS/

ELINCS št. Registracijska številka REACH

Konc. (Utežni/Masni %)

Razvrstitev

Oktametilciklotetraziloksan

556-67-2 209-136-7 01-2119529238-36

100,0 Xn, Skupina 3 teratogenov R62 R53

V skladu z Uredbo (ES) št. 1272/2008: Ime Št. CAS EINECS/

ELINCS št. Registracijska številka REACH

Konc. (Utežni/Masni %)

Razvrstitev


556-67-2 209-136-7 01-2119529238-36

100,0 Vnetljiva tekočina: Kategorija 3 - H226 Strupenost za razmnoževanje (Vdihavanje - hlapi): Kategorija 2 - H361f Kronična nevarnost za vodno okolje: Kategorija 4 - H413

Popolno besedilo stavkov 'R' omenjenih v tem Poglavju, je v Poglavju 16. Za celotno besedilo H-izjav, omenjeno v tem poglavju, glej 16. poglavje. Razvrstitve po CLP temeljijo na vseh sodobnih razpoložljivih podatkih, vključno s tistimi od znanih mednarodnih organizacij. Te razvrstitve so v primeru dodatnih informacij revidirane.

4. UKREPI PRVE POMOČI 4.1

Opis ukrepov za prvo pomoč:

Pri stiku z očmi : Prva pomoč ni potrebna.

Pri stiku s kožo : Prva pomoč ni potrebna.

Pri vdihavanju : Umakniti na svež zrak. Obvezna zdravniška pomoč.

Pri zaužitju : Obvezna zdravniška pomoč.

4.2 Najvažnejši simptomi/učinki, takojšnji in zakasnjeni

: Sum škodljivosti za plodnost.





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5. UKREPI OB POŽARU 5.1

Ustreznega sredstva za gašenje

:

Pri velikih požarih uporabiti peno, ki tvori vodni film (AFFF), in ki se lahko meša z alkoholom, ali uporabiti razpršeno vodo. Pri majhnih požarih uporabiti peno, ki tvori vodni film (AFFF), in ki se lahko meša z alkoholom, uporabiti CO2 ali razpršeno vodo. Voda se lahko uporablja za hlajenje posod, izpostavljenih ognju.

Neustrezno sredstvo za gašenje

: Nobena znana.

5.2 Specifične nevarnosti med gašenjem

: Ogenj gori bolj močno kot je bilo pričakovati. Hlapi so težji kot zrak, tako da lahko potujejo po zemlji do oddaljenih virov vžiga. Pripravek je lahko statično naelektren: vedno uporabljajte ozemljitve, če prenašate iz ene posode v drugo. Hlapi lahko tvorijo eksplozivne zmesi z zrakom.

Nevarni proizvodi izgorevanja

: Termična razgradnja tega proizvoda ob požaru ali zelo visokih temperaturah lahko povzroči nastanek naslednjih produktov razgradnje: Silicijev dioksid. Ogljikovi oksidi in sledi nepooplno sežganih ogljikovih spojin. po formaldehidu

5.3 Posebna varovalna oprema za gasilce

: Avtonomen respirator in varovalno oblačilo sta obvezna. Opredeliti potrebo po evakuaciji ali zaprtju območja v skladu z vašim lokalnim načrtom ukrepov ob izrednih dogodkih. Uporabiti razpršeno vodo za hlajenje posod, izpostavljenih ognju.

6. UKREPI OB NEZGODNIH IZPUSTIH 6.1

Osebni previdnostni ukrepi, zaščitna oprema in postopki za ravnanje v sili

:

Avtonomen respirator in varovalno oblačilo sta obvezna. Opredeliti potrebo po evakuaciji ali zaprtju območja v skladu z vašim lokalnim načrtom ukrepov ob izrednih dogodkih. Odstranite vse vire vžiga.

6.2 Okoljevarstvenih ukrepih

: Ne izprazniti v kanalizacijo. Preprečiti razširitev ali dostop do odtokov, jarkov ali rek s peskom, zemljo ali drugimi primernimi ovirami.

6.3 Načini in materiali za zajezitev razlitja in čiščenje

: Opredeliti potrebo po evakuaciji ali zaprtju območja v skladu z vašim lokalnim načrtom ukrepov ob izrednih dogodkih. Odstranite vse vire vžiga. Zelo velika razlitja je treba zajeziti s pomočjo nasipov in podobnih postopkov. Pobrisati s krpo ali vpiti z absorbentom in shraniti v posodo s pokrovom. V primeru razlitja proizvoda nastane zelo spolzka površina.

7. RAVNANJE IN SKLADIŠ ČENJE 7.1

Navodilo za varno rokovanje

:

Potrebno je splošno prezračevanje. Potrebno je lokalno prezračevanje. Preprečite stik z očmi. Ne vdihavati hlapov. Ne izprazniti v kanalizacijo.

7.2 Pogoji za skladiščenje

: Hraniti v ognjevzdržnem, temeljito prezračenem prostoru. Pripravek je lahko statično naelektren: vedno uporabljajte ozemljitve, če prenašate iz ene posode v drugo. Hraniti v tesno zaprti posodi. Hlapi lahko tvorijo eksplozivne zmesi z zrakom. Temperatura pri skladiščenju: minimum -40 °C, maksimum 54 °C





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7.3 Posebni način(-i) uporabe

: Poglejte si tabelo tehničnih podatkov, ki je na voljo po zaprosilu.

8. NADZOR IZPOSTAVLJENOSTI/OSEBNA ZAŠ ČITA 8.1

Kontrolni parametri

Ime

Št. CAS Meje izpostavljenja


556-67-2 10 ppm TWA Dow Corning recommendation.

8.2 Nadzor izpostavljenostji Tehnični ukrepi

:

Prezračevanje: Glejte tudi poglavje 7.1

Osebna zaščitna oprema Zaščita dihal : Uporaba primerne zaščite dihal je obvezna, če se proizvod uporablja v velikih količinah,

zaprtih prostorih ali drugih primerih, ko je verjetno, da bo MPI dosežen ali presežen. Odvisno od delovnih pogojev nositi respiratorno masko s filtrom(i) A ali uporabiti avtonomen respirator. Izbira tipa filtra je odvisna od količine in vrste kemikalije, ki se uporablja na delovnem mestu. Glede lastnosti filtrov se obrnite na vašega dobavitelja zaščitne opreme za dihala.

Varovanje rok : Rokavice običajno niso potrebne.

Zaščita oči/obraza : Uporaba zaščitnih očal je obvezna.

Varovanje kože : Ni potrebna posebna varovalna oprema.

Higienski ukrepi : Skrbeti za dobro industrijsko higieno. Oprati po rokovanju, predvsem pred jedjo, pitjem ali kajenjem.

Dodatne informacije

: Ti varnostni ukrepi veljajo za rokovanje pri sobni temperaturi. Uporaba pri večji temperaturi ali uporaba v obliki aerosola/razpršila lahko zahteva dodatne varnostne ukrepe. Za dodatne informacije o uporabi silikonov / organskih olj v potrošniških aplikacijah aerosolov si oglejte dokument z navodili o uporabi teh vrst materialov v potrošniških aplikacijah aerosolov, ki jih je razvila silikonska industrija (www.SEHSC.com) ali pa se obrnite na Dow Corning customer service group.

Nadzor izpostavljenosti okolja

: glejte poglavji 6 & 12.

9. FIZIKALNE IN KEMIJSKE LASTNOSTI

Oblika

:

tekoče

Barva : brezbarvna





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Vonj : Nobenega

Točka vrelišča/območje vrelišča

: 175 °C

Tališče/območje tališča : 17,5 °C

Plamenišče : 55 °C (Cleveland Open Cup) 57 °C (Tag Closed Cup)

Spodnja eksplozivna meja : 0,75 %

Zgornja eksplozivna meja : 7,4 %

Temperatura samovžiga : 400 °C

Eksplozivne lastnosti : Ne Hlapi lahko tvorijo eksplozivne zmesi z zrakom.

Parni tlak : 0,12 kPa pri 20°C

Gostota : 0,95

Porazdelitveni koeficient (n-oktanol/voda)

: 5,1

Molekulska masa : 296,62

Viskoznost : 2,2 mm2/s pri 25°C

Hitrost izparevanja (Etileter = 1)

: < 1

Oksidativne lastnosti

: Ne

Zgoraj navedene informacije niso namenjene za izdelavo specifikacij proizvoda. 10. OBSTOJNOST IN REAKTIVNOST 10.1

Reaktivnost

:

Nobena znana.

10.2 Obstojnost

: Stabilno pod normalnimi pogoji uporabe.

10.3 Možnost nevarnih reakcij

: Nobena znana.

10.4 Pogoji, ki se jim je treba izogniti

: Odstranite vse vire vžiga.

10.5 Materiali, ki se jim je treba izogniti

: Lahko reagira z močnimi oksidanti.

10.6 Nevarni razpadli proizvodi

: Termična razgradnja tega proizvoda ob požaru ali zelo visokih temperaturah lahko povzroči nastanek naslednjih produktov razgradnje: Silicijev dioksid. Ogljikovi oksidi in sledi nepooplno sežganih ogljikovih spojin. po formaldehidu





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11. TOKSIKOLOŠKE INFORMACIJE Akutna strupenost: Pri stiku z očmi : Lahko povzroči začasno neugodje.

Pri stiku s kožo : Običajno škodljivi vplivi niso pričakovani.

Pri vdihavanju : Pri enkratni kratkotrajni izpostavljenosti ni pričakovati precejšnjega učinka.

Pri zaužitju : Majhne količine, prenesene v usta prek prstov, naj ne bi povzročale poškodb.

inhalacija - LC50 (podgana) : 36 mg/L - 4 ure hlapi

Kroni čna strupenost: Pri stiku s kožo : Običajno škodljivi vplivi niso pričakovani.

Pri vdihavanju : Sum škodljivosti za plodnost.

Pri zaužitju : Majhne količine, prenesene v usta prek prstov, naj ne bi povzročale poškodb.

Toksikokinetika, metabolizem in porazdelitev

: Ni razpoložljivih informacij.

Nadaljnje informacije

: Posledica zaužitja oktametilciklotetrasiloksana prek vdihavanja v koncentracijah 500 in 700 ppm je statistično pomembno zmanjšanje števila rojenih mladičkov in velikosti legla pri prvi in drugi generaciji podgan. Pri drugi generaciji je pri izpostavljenosti 700 ppm prišlo do daljšega obdobja gonjenja ter zmanjšanega parjenja in plodnosti. Povečalo se je tudi število kotitev, ki so trajale izjemno dolgo časa (distocija). Rezultati dveletne raziskave o daljši izpostavljenosti vdihavanju hlapov oktametilciklotetrasiloksana (D4) so pokazali učinke (benignih žleznih tumorjev maternice) na maternici podganjih samic. Do tega je prišlo samo pri najvišjem odmerku izpostavljenosti (700 ppm). Do danes raziskave niso pokazale, da bi do takih učinkov prišlo prek poti, ki so pomembne za človeka. Na podlagi razpoložljivih informacij o morebitni škodljivosti človeškemu zdravju so pri Health Canada, na podlagi presejalnega testa iz leta 2008, zaključili, da oktametilciklotetrasiloksan ni prisoten v okolju v količini ali koncentraciji ali pod pogoji, ki predstavljajo ali bi lahko predstavljali nevarnost življenju ali zdravju Kanadčanov (http://www.ec.gc.ca/substances/ese/eng/challenge/batch2/batch2_556-67-2.cfm). Daljša izpostavljenost D4 je po vsej verjetnosti privedla do kopičenja protoporpirina v jetrih podgan. Brez znanja o določenem mehanizmu, ki povzroča kopičenje protoporpirina, je pomen tega odkritja za človeka neznan.

1 Temelji na podatkih o preizkusu proizvoda. 2 Temelji na podatkih iz preizkusov podobnih proizvodov.





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12. EKOLOŠKE INFORMACIJE 12.1 Ekotoksičnost

Lahko povzroči dolgotrajne škodljive učinke na vodno okolje. Škodljivi vplivi so bili opaženi samo v zaprtih preizkusnih sistemih.

12.2 Obstojnost in razgradljivost

Hlapni siloksani z nizko molsko maso imajo nizko topnost v vodi in izhlapevajo. Hlapni siloksani z nizko molsko maso se v zraku razkrojijo, ko reagirajo s hidroksilnimi radikali, kar je prevladujoč proces razkroja za večino kemikalij v ozračju. Hlapni siloksani z nizko molsko maso se iz tal odstranijo z več procesi, ki sočasno potekajo. Med njimi so izhlapevanje, hidroliza in razgradnja, katalizirana z glino.

12.3 Bioakumulacija

Hlapni siloksani z nizko molsko maso se biokoncentrirajo v ribah, ki so izpostavljene nadzorovanim laboratorijskim pogojem, ki pa ne predstavljajo pogojev v okolju.

12.4 Izpustiti v vode / Mobilnost v tleh

Učinki na naprave za obdelavo odpadne vode:

Ne vpliva škodljivo na bakterije. Siloksani v tem proizvodu ne povečujejo biološke potrebe po kisiku (BPK). Hlapni siloksani z nizko molsko maso se učinkovito odstranijo (>90%) med čiščenjem odpadnih voda, pri tem pa se približno enake količine sprostijo v ozračje in blato. Hlapni siloksani z nizko molsko maso se v prečiščenih odpadnih vodah vežejo na trdne delce zaradi zelo nizke topnosti v vodi.

13. SMERNICE ZA ODSTRANJEVANJE

Odlaganje izdelkov in embalaže

:

Odstranite v skladu z lokalnimi uredbami. V skladu z Evropskim katalogom odpadkov se kode za odpadke ne ravnajo po proizvodih, ampak po uporabi. Odpadkom naj bi kode pripisal uporabnik, prednostno po posvetu z organi, ki so pristojni za odstranjevanje odpadkov.

14. INFORMACIJE O TRANSPORTU

Cestni transport / Železniški transport (ADR/RID) UN No. : UN 1993

Običajno ime za tovor : FLAMMABLE LIQUID, N.O.S.(Cyclopolydimethylsiloxane)

Razred : 3

Embalaža iz skupine : III

Nalepke : 3





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Pomorski transport (IMDG) UN No.

: UN 1993

Običajno ime za tovor

: FLAMMABLE LIQUID, N.O.S.(Cyclopolydimethylsiloxane)

Razred : 3


Emergency Schedule (EmS)

: F-E S-E

Nalepke

: flammable liquid

Zračni transport (IATA) UN No.

: UN 1993

Običajno ime za tovor

: Flammable liquid, n.o.s.(Cyclopolydimethylsiloxane)

Razred : 3


Nalepke

: Flammable Liquid

15. ZAKONSKO PREDPISANE INFORMACIJE 15.1

Za snov ali zmes specifični predpisi/zakoni o varnosti ter varovanju zdravja in okolja

Status EINECS : Vse sestavine so navedene, izvzete ali priglašene (evropski seznam novih snovi).

TSCA : Vse kemične snovi so navedene na ali izvzete iz seznama kemičnih snovi, ki je v skladu z

Zakonom o nadzoru strupenih snovi.

AICS : Vse sestavine so navedene, izvzete ali priglašene.

IECSC : Vse sestavine so navedene ali izvzete.

KECL : Vse sestavine so navedene, izvzete ali priglašene.

PICCS : Vse sestavine so navedene, izvzete ali priglašene.

DSL : Vse sestavine so navedene ali izvzete.





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16. DRUGE INFORMACIJE

Ta varnostni list je bil pripravljen v skladu z 31. členom in Prilogo II Uredbe REACH ter njenih ustreznih sprememb glede približevanja zakonov in drugih predpisov, ki se nanašajo na razvrščanje, pakiranje in označevanje nevarnih snovi ter pripravkov. Osebe, ki so prejele varnostni list tega proizvoda so dolžne zagotoviti, da tukaj vsebovane informacije pravilno preberejo in razumejo vse osebe, ki lahko uporabljajo, ravnajo, odstranjujejo ali na kakršen koli drugačen način pridejo v stik s proizvodom. Če prejemnik naknadno proizvede formulacijo, ki vsebuje proizvod, je njegova izključna odgovornost zagotoviti prenos vseh ustreznih informacij iz varnostnega lista tega proizvoda v varnostni list njegovega proizvoda v skladu z 31. členom in Prilogo II k Uredbi REACH. Vsi podatki in navodila v tem varnostnem listu temeljijo na trenutnem znanstvenem in tehničnem znanju na dan, ki je označen na pričujočem varnostnem listu. Dow Corningov dobavitelj ni odgovoren za katere koli napake v proizvodu, ki ga zajema ta varnostni list, če ob upoštevanju trenutnega stanja znanstvenega in tehničnega znanja ni mogoče odkriti obstoja takih napak. Kot je zgoraj navedeno, je bil ta varnostni list pripravljen v skladu z veljavnimi evropskimi predpisi. Če ta material kupite izven Evrope, kjer so lahko veljavni drugačni predpisi, si pridobite pri vašem lokalnem dobavitelju varnostni list, ki velja za državo, v kateri se proizvod prodaja, in kjer se namerava uporabiti. Upoštevajte, da sta videz in vsebina varnostnega lista lahko drugačna - tudi za enak proizvod - v različnih državah zaradi različnih zahtev glede skladnosti. Vir informacij: notranji podatki in javno dostopne informacije R53 Lahko povzroči dolgotrajne škodljive učinke na vodno okolje., R62 Možna nevarnost oslabitve plodnosti. H226 Vnetljiva tekočina in hlapi., H361f Sum škodljivosti za plodnost., H413 Lahko ima dolgotrajne škodljive učinke na vodne organizme.

XIAMETER(R) is a trademark of Dow Corning Corporation

http://www.xiameter.com





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Scenarij izpostavljenosti

1. Short title of Exposure Scenario: Manufacturing of Octamethylcyclotetrasiloxane (D4) (CAS 556-67-2).

Main User Groups : SU3 Sector of use : Product category : Process category : PROC2, PROC8b Article category : Environmental release category : ERC1 Further information :

2.1 ERC1

Remarks

Product characteristicsConcentration of the Substance in Mixture/Article

: 100%

Viscosity, kinematic : Viscosity, dynamic : 2.4-2.6 mm2/s at 20°C

Amount used

Annual amount used per site : 80,000 tpa Remarks : (Msafe) : Remarks :

Frequency and duration of use

Single exposure : Continuous exposure :

Environment factors not influenced by risk management

Flow rate : Dilution Factor (River) : Dilution Factor (Coastal Areas) : Other data - Other information : Remarks :

Other given operational conditions affecting environmental exposure

Exposure Type Number of emission days per year : 300/site Emission or Release Factor: Air : 9.5E-06 Emission or Release Factor: Water : 3.75E-08 Emission or Release Factor: Soil : Remarks : Parameter : Remarks :





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Technical conditions and measures / Organizational measures

Exposure time : Compartment : Air : Use of air emission abatement equipments such as incinerators and

scrubbers are applicable as a ‘best practice’. Water : Treatment of effluent in biological waste water treatment plant. Soil : Sediment : Remarks :

Conditions and measures related to municipal sewage treatment plant

Type of Sewage Treatment Plant : Flow rate of sewage treatment plant effluent

: 1,300 m3/d (fresh water) 3,100 m3/d (marine water)

Effectiveness (of a measure) : Percentage removed from waste eater : Sludge Treatment : Sludge may be sent to landfill or incinerated.

Spreading of sludge is assumed as a worst-case scenario. Procedures to limit air emissions from Sewage Treatment Plant

: Incineration and scrubbing to remove any wastes.

Remarks : Conditions and measures related to external treatment of waste for disposal

Waste treatment : Solid wastes from production are ultimately disposed of via landfill or incineration, or are recycled outside of the process. Landfill is the most common disposal route. Details of the treatment of aqueous waste vary at different production sites but as a minimum the effluent is treated in on-site secondary biological treatment plants prior to discharge. Non-aqueous waste may be disposed off site as hazardous waste.

Disposal methods : Remarks :

Conditions and measures related to external recovery of wasteRecovery Methods : Recovery of sludge for agriculture or horticulture. Remarks :

Additional good practice advice beyond the REACH Chemical Safety AssessmentAdditional good practice advice :

2.2 Contributing scenario controlling worker exposure for: PROC2, PROC8b

Product characteristics

Concentration of the Substance in Mixture/Article

100%

Physical Form (at time of use) : Liquid Vapour pressure : 132 Pa at 25°C

Process Temperature : Remarks :

Amount used

: 267/day :





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Duration :





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Environment

Contributing Scenario

Exposure Assessment

Method

Specific conditions

Compartment Value type Level of Exposure

Risk characterisation

ratio

ERC1 Calculated using EUSES 2.1.1

Freshwater PEC 3.26E-06 mg/l

7.41E-03


Marine water PEC 1.43E-06 mg/l

0.0326


Sediments (fresh water)

PEC 1.21E-03 mg/kg ww

9.40E-03


Sediments (marine water)


0.0413


Agricultural soil


5.68E-03


Sewage Treatment Plant

PEC 4.33E-05 mg/l





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This exposure scenario covers production of D4 in the EU. For the environment, the scenario also covers on-site formulation, and on-site use as a monomer, chemical intermediate or non-metal surface treatment agent. In addition, the scenario also covers formulation and use at sites either importing from non-EU manufacturers, or purchasing material from EU manufacturers, where D4 itself is not produced, but other silanes are manufactured. These additional sites are included because high levels of control and emission abatement are employed at such locations due to the highly reactive nature of other materials produced and used there.

1. Short title of Exposure Scenario: Use of Octamethylcyclotetrasiloxane (D4) (CAS 556-67-2) as a monomer at sites other than production sites.

Main User Groups : SU3 Sector of use : SU8, SU9 Product category : PC19 Process category : PROC1, PROC3, PROC8b, PROC9 Article category : Environmental release category : ERC6a, ERC6c Further information :

2.1 ERC6a, ERC6c

Remarks


: 100%


Amount used

Annual amount used per site : Remarks : (Msafe) : Remarks :









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Exposure Type Number of emission days per year : Emission or Release Factor: Air : 9.49E-04 Emission or Release Factor: Water : 3.75E-06 Emission or Release Factor: Soil : Remarks : Parameter : Remarks :


Exposure time : Compartment : Air : Water : Treatment of effluent in waste water treatment plant. Soil : Sediment : Remarks :



: 10,000 m3/d



:


Waste treatment : Solid wastes from use as a monomer are ultimately disposed of via landfill or incineration, or are recycled outside of the process. Details of the treatment of aqueous waste vary at different sites but as a minimum the effluent treated in either in on-site or municipal secondary biological treatment plants prior to discharge. Non-aqueous waste may be disposed off site as hazardous waste.




2.2 Contributing scenario controlling worker exposure for: PROC1, PROC3, PROC8b, PROC9



100%

Physical Form (at time of use) : Liquid





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Vapour pressure : 132 Pa at 25°C


Amount used

: :


Duration : 15-60 minutes (PROC1, PROC3) 4 hours (PROC9)

Frequency of use : 1/day

Remarks :

Human factors not influenced by risk managementExposed skin area : 240 cm2 (PROC1, PROC3)

480 cm2 (PROC8b)

Other Factors: : Remarks :

Other operational conditions affecting workers exposure

Outdoor / Indoor : Room size : N/A for tier one exposure tool Temperature : Ventilation rate per hour : N/A for tier one exposure tool Remarks : Parameter :

Technical conditions and measures Local exhaust ventilation required plus good work practice. Organisational measures to prevent /limit releases, dispersion and exposure D4 is a moderately volatile, flammable liquid. Measures should therefore be taken to prevent the build-up of electrostatic charge and other sources of ignition. Containers should be kept tightly closed in a dry, cool and well-ventilated place. Conditions and measures related to personal protection, hygiene and health evaluation Safety glassess Suitable respiratory protection should be worn if the product is handled in large quantities, confined spaces. Additional good practice advice beyond the REACH Chemical Safety Assessment

Additional good practice advice : 2.3 Contributing scenario controlling consumer exposure for:

Exposure to consumers is not relevant for this scenario.

3. Exposure estimation and reference to its source





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Environment

It can be seen from the table that the RCR for marine sediment is nominally above 1 (having applied EUSES default), indicating that direct discharge of waste water containing D4 from this exposure scenario is not safe. Treatment of waste water in a waste water treatment plant before discharge into the marine water is required to determine safe use. Therefore, downstream users are required to apply risk management measures of treating waste water to maintain this use. Applying this risk management measure would give marine RCR similar to the fresh water value.


Exposure Assessment

Method

Specific conditions



ratio

ERC6a, ERC6c Calculated using EUSES 2.1.1


0.106



11.1



PEC 0.0172 mg/kg ww

0.134



PEC 0.181 mg/kg ww

14.1


Agricultural soil


0.228



PEC 1.78E-03 mg/l





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predictions systemic exposure

4. Guidance to Downstream User to evaluate whether he works inside the boundaries set by the Exposure Scenario

This exposure scenario covers the use of D4 as a monomer in the production of siloxane polymers and resins, use as an intermediate (environment) and use in emulsion polymerisation (environment). This is in effect use as a monomer. The tonnages described here cover the amounts of D4 although it will frequently be the case that higher tonnages of the mixed product (and therefore higher levels of control) will be in place.

1. Short title of Exposure Scenario: Use of Octamethylcyclotetrasiloxane (D4) (CAS 556-67-2) as an intermediate at sites other than production sites.

Main User Groups : SU3 Sector of use : SU8, SU9 Product category : PC19 Process category : PROC1, PROC2, PROC3, PROC4, PROC8b, PROC9 Article category : Environmental release category : ERC6a Further information :

2.1 ERC6a

Remarks


: 100%


Amount used







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Exposure Type Number of emission days per year : Emission or Release Factor: Air : 9.49E-04 Emission or Release Factor: Water : 3.75E-06 Emission or Release Factor: Soil : Remarks : Parameter : Remarks :





: 10,000 m3/d



:


Waste treatment : Solid wastes from use as an intermediate are ultimately disposed of via landfill or incineration, or are recycled outside of the process. Details of the treatment of aqueous waste vary at different sites but as a minimum the effluent is treated either in on-site or municipal secondary biological treatment plants prior to discharge. Non-aqueous waste may be disposed off site as hazardous waste.







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2.2 Contributing scenario controlling worker exposure for: PROC1, PROC2, PROC3, PROC4, PROC8b, PROC9



100%



Amount used

: :


Duration : 15-60 minutes (PROC1, PROC2, PROC3, PROC4) 4 hours (PROC9)


Remarks :


480 cm2 (PROC2, PROC4, PROC8b, PROC9)




Technical conditions and measures Local exhaust ventilation required plus good work practice. Organisational measures to prevent /limit releases, dispersion and exposure D4 is a moderately volatile, flammable liquid. Measures should therefore be taken to prevent the build-up of electrostatic charge and other sources of ignition. Containers should be kept tightly closed in a dry, cool and well-ventilated place. Conditions and measures related to personal protection, hygiene and health evaluation Safety glassess Suitable respiratory protection should be worn if the product is handled in large quantities, confined spaces.





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Additional good practice advice beyond the REACH Chemical Safety Assessment




Environment



Exposure Assessment

Method

Specific conditions



ratio

ERC6a Calculated using EUSES 2.1.1


0.106



11.1



PEC 0.0172 mg/kg ww

0.134



PEC 0.181 mg/kg ww

14.1


Agricultural soil


0.228



PEC 1.78E-03 mg/l





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PROC8b, PROC9

predictions exposure

PROC4, PROC8b, PROC9

ECETOC TRA predictions

With LEV Dermal systemic exposure

0.69 mg/kg bw/d

N/A

PROC9 ECETOC TRA predictions

With LEV Inhalation local exposure

6.1 mg/m3/8h N/A


With LEV Inhalation systemic exposure

6.1 mg/m3/8h 0.1


This exposure scenario covers the use of D4 as chemical intermediate. Use as an intermediate may be carried out in continuous or batch processes.

1. Short title of Exposure Scenario: Use of Octamethylcyclotetrasiloxane (D4) (CAS 556-67-2) in electronics.

Main User Groups : SU3 Sector of use : SU16 Product category : PC33 Process category : PROC1, PROC7, PROC8b, PROC9, PROC10, PROC13, PROC14 Article category : Environmental release category : ERC6d Further information :

2.1 ERC6d

Remarks


: 1-5% (Conformal coatings) 100% (Vapor deposition and cleaning solvent)






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Amount used





Flow rate : Dilution Factor (River) : N/A Dilution Factor (Coastal Areas) : N/A Other data - Other information : Remarks :


Exposure Type Number of emission days per year : N/A Emission or Release Factor: Air : N/A Emission or Release Factor: Water : N/A Emission or Release Factor: Soil : Remarks : Parameter : Remarks :





: N/A

Effectiveness (of a measure) : Percentage removed from waste eater : Sludge Treatment : N/A Procedures to limit air emissions from Sewage Treatment Plant

:


Waste treatment : N/A Disposal methods : Remarks :

Conditions and measures related to external recovery of waste





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Recovery Methods : N/A Remarks :


2.2 Contributing scenario controlling worker exposure for: PROC1, PROC7, PROC8b, PROC9, PROC10, PROC13, PROC14



1-5% (Conformal coatings) 100% (Vapor deposition and cleaning solvent)



Amount used

: :


Duration : >4 hours Frequency of use : 1/day

Remarks :

Human factors not influenced by risk management

Exposed skin area : 480 cm2 (PROC8b, PROC9, PROC13, PROC14) 960 cm2 (PROC10)




Technical conditions and measures Local Exhaust ventilation. Organisational measures to prevent /limit releases, dispersion and exposure Vapor deposition processes take place in closed systems. Any spraying processes carried out in the electronics industry are automated and enclosed. Conditions and measures related to personal protection, hygiene and health evaluation Additional good practice advice beyond the REACH Chemical Safety Assessment





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Environment

Given the very small scale use, it is not appropriate to assess environmental exposure for this scenario. There is no intentional release of D4 to waste water and any fugitive releases to air will be of negligible volume. Workers


Exposure Assessment

Method

Specific conditions Value type Level of Exposure


ratio

PROC8b, PROC9, PROC13


With LEV Dermal local exposure

0.1 mg/cm2 N/A

PROC8b, PROC9, PROC13



0.69 mg/kg bw/d

N/A


With LEV Inhalation local exposure

12 mg/m3/8h N/A


With LEV Inhalation systemic exposure

12 mg/m3/8h 1.97E-01


This scenario covers the use of D4 in the electronics and semiconductor industries, as a precursor material for Chemical Vapour Deposition (CVD), as an ingredient of conformal coatings, and for cleaning of electronic components. Any spraying processes carried out in the electronics industry are automated and enclosed and are therefore not considered in the exposure assessment.

1. Short title of Exposure Scenario: Use of Octamethylcyclotetrasiloxane (D4) (CAS 556-67-2) in textiles.

Main User Groups : SU3 Sector of use : SU5 Product category : PC23, PC24, PC34 Process category : PROC5, PROC7, PROC8a, PROC8b, PROC9, PROC10, PROC13 Article category : Environmental release category : ERC4, ERC6b, ERC8a, ERC8b Further information :





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2.1 ERC4, ERC6b, ERC8a, ERC8b

Remarks


: 1-5%


Amount used









Exposure time : Compartment : Air : Water : Soil : Sediment : Remarks :



: N/A

Effectiveness (of a measure) : Percentage removed from waste eater :





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Sludge Treatment : N/A Procedures to limit air emissions from Sewage Treatment Plant

:



Conditions and measures related to external recovery of wasteRecovery Methods : N/A Remarks :


2.2 Contributing scenario controlling worker exposure for: PROC5, PROC7, PROC8a, PROC8b, PROC9, PROC10, PROC13



1-5%



Amount used

: :


Duration : 15-60 minutes (PROC5, PROC8a, PROC8b, PROC9) >4 hours (PROC7, PROC10, PROC13)


Remarks :

Human factors not influenced by risk managementExposed skin area : 480 cm2 (PROC5, PROC8b, PROC9, PROC13)

960 cm2 (PROC8a, PROC10) 1500 cm2 (PROC7)








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Technical conditions and measures Local Exhaust ventilation durin spraying. Organisational measures to prevent /limit releases, dispersion and exposure Conditions and measures related to personal protection, hygiene and health evaluation Additional good practice advice beyond the REACH Chemical Safety Assessment




Environment


For industrial spraying (PROC7), inhalation exposure is quantified using the Stoffenmanager model, with the following input parameters:

• Products contain 5% D4

• Products are sprayed generating mist or haze

• Use takes places indoors in a location where room volume is





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predictions product exposure PROC10 ECETOC TRA

predictions Without LEV, 5% in product

Dermal systemic exposure

0.69 mg/kg bw/d

N/A

PROC7 Stoffenmanager prediction

With LEV, 5% in product

Inhalation local exposure

52 mg/m3/8h N/A

PROC7 Stoffenmanager prediction

With LEV, 5% in product

Inhalation systemic exposure

52 mg/m3/8h 0.85


This scenario covers the use of D4 as an ingredient of a variety of silicone polymer based products in the textiles industry, including formulation. At most, the concentration of D4 is at the lower end of the 1-5% range.





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1. Short title of Exposure Scenario: Formulation of Octamethylcyclotetrasiloxane (CAS 556-67-2).

Main User Groups : SU3 Sector of use : SU10 Product category : PC1, PC9a, PC23, PC24, PC31, PC33, PC34, PC35, PC39 Process category : PROC1, PROC2, PROC3, PROC5, PROC8a, PROC8b, PROC9,

PROC14 Article category : Environmental release category : ERC2 Further information :

2.1 ERC2

Remarks


: 100%


Amount used

Annual amount used per site : 7 tpa Remarks : (Msafe) : Remarks :






Exposure Type Number of emission days per year : 300/site Emission or Release Factor: Air : 0.0002 Emission or Release Factor: Water : 0.0009 Emission or Release Factor: Soil : Remarks : Parameter : Remarks :


Exposure time : Compartment :





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Air : Water : Treatment of effluent in waste water treatment plant. Soil : Sediment : Remarks :



: 2,000 m3/d



:


Waste treatment : Solid wastes are ultimately disposed of via landfill or incineration. Details of the treatment of aqueous waste vary at different sites but as a minimum the effluent treated in either in on-site or municipal secondary biological treatment plants prior to discharge. Non-aqueous waste may be disposed off site as hazardous waste or sent for incineration or energy recovery.




2.2 Contributing scenario controlling worker exposure for: PROC1, PROC2, PROC3, PROC5, PROC8a, PROC8b, PROC9, PROC14



100%



Amount used

: 20 kg/day :







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Remarks :


480 cm2 (PROC2, PROC5, PROC8b, PROC9, PROC14) 960 cm2 (PROC8a)




Technical conditions and measures Organisational measures to prevent /limit releases, dispersion and exposure Limit duration of exposure of 4 hours for PROCs 5, 8b, 9 and 14 without LEV. LEV or Respiratory Protective Equipment (RPE) is required for duration of exposure > 4 hours. Limit duration of exposure of 1 hour for PROC8a without LEV. LEV or RPE is required for duration of exposure > 1. Conditions and measures related to personal protection, hygiene and health evaluation Safety glassess Suitable respiratory protection should be worn if the product is handled in large quantities, confined spaces. Additional good practice advice beyond the REACH Chemical Safety Assessment




Environment






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Exposure Assessment

Method

Specific conditions



ratio



0.09



2.33



PEC 0.0147 mg/kg ww

0.114



PEC 0.038 mg/kg ww

2.96


Agricultural soil


0.0478



PEC 3.73E-04 mg/l





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1. Short title of Exposure Scenario: Use of Octamethylcyclotetrasiloxane (CAS 556-67-2) for personal care products.

Main User Groups : SU21, SU22 Sector of use : Product category : PC39 Process category : PROC10, PROC11, PROC19 Article category : Environmental release category : ERC8a Further information :

2.1 ERC8a

Remarks


:


Amount used

Annual amount used per site : 1000tpa Remarks : (Msafe) : Remarks :






Exposure Type Number of emission days per year : N/A Emission or Release Factor: Air : 0.9 Emission or Release Factor: Water : 0.1 Emission or Release Factor: Soil :





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Remarks : Parameter : Remarks :





: N/A


:


Waste treatment : Solid wastes are ultimately disposed of via landfill or incineration. Aqueous waste is discharged to municipal waste water treatment.




2.2 Contributing scenario controlling worker exposure for: PROC10, PROC11, PROC19





Amount used

: N/A :


Duration : N/A Frequency of use : N/A





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Remarks :


Exposed skin area : N/A Other Factors: : Remarks :


Outdoor / Indoor : Room size : Not applicable for tier one exposure Temperature : Ventilation rate per hour : Not applicable for tier one exposure Remarks : Parameter :

Technical conditions and measures No specific risk management measures are indicated for end use of personal care products containing D4. Organisational measures to prevent /limit releases, dispersion and exposure Conditions and measures related to personal protection, hygiene and health evaluation Additional good practice advice beyond the REACH Chemical Safety Assessment


Consumer end use of personal care products is outside the scope of REACH.


Environment


Exposure Assessment

Method

Specific conditions



ratio



0.0397



0.0379




0.0503




0.0481


Agricultural soil


0.0187

Workers

Professional end use of personal care products is outside the scope of REACH.





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This exposure scenario covers the end use of personal care products. The environmental exposure assessment covers use of such products by both professionals and consumers. The human health assessment considers man exposed via the environment only (all RCRs well below 1), as professional and consumer end use of personal care products is outside the scope of REACH.

1. Short title of Exposure Scenario: Use of Octamethylcyclotetrasiloxane (CAS 556-67-2) for professional and consumer use of care products-polishes and waxes.

Main User Groups : SU21, SU22 Sector of use : Product category : PC31 Process category : PROC7, PROC10, PROC11, PROC19 Article category : Environmental release category : ERC8a, ERC8d Further information :

2.1 ERC8a, ERC8d

Remarks


: 10% (maximum for safe use except spray products) 4% (maximum for safe use of sprays) 5% (Consumer products)


Amount used

Annual amount used per site : N/A Remarks : (Msafe) : Remarks :




Flow rate :





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Dilution Factor (River) : Dilution Factor (Coastal Areas) : Other data - Other information : Remarks :







: N/A


:


Waste treatment : Solid wastes are ultimately disposed of via landfill. Aqueous waste is discharged to municipal waste water treatment.




2.2 Contributing scenario controlling worker exposure for: PROC7, PROC10, PROC11, PROC19



10% (maximum for safe use except spray products) 4% (maximum for safe use of sprays) 5% (Consumer products)

Physical Form (at time of use) : Liquid





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Vapour pressure : 132 Pa at 25°C


Amount used

: N/A :



Remarks :


Exposed skin area : 480 cm2 (PROC10) 1500 cm2 (PROC7, PROC11) 1980 cm2 (PROC19)




Technical conditions and measures Mechanical or natural ventilation for industrial and professional use Organisational measures to prevent /limit releases, dispersion and exposure Maximum concentration of 4% and 10% for spray products and other products respectively for professionals/workers. LEV, RPE or limit duration of exposure is required for higher product concentration. Conditions and measures related to personal protection, hygiene and health evaluation Additional good practice advice beyond the REACH Chemical Safety Assessment

Additional good practice advice : 2.3 Contributing scenario controlling consumer exposure for: floor polish

Other operation conditions affecting workers exposure Room size : 58 m3 Ventilation rate per hour : 0.5 h-1 Human factors not influenced by risk management Exposed skin area : 430 cm2





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Acute exposure

Exposure Assessment

Method



ratio

ConsExpo output

Dermal local exposure

0.64 mg/cm2 N/A

ConsExpo output


4.23 mg/kg bw/d

N/A

ConsExpo output


2.62 mg/m3/8h

N/A

ConsExpo output


2.62 mg/m3/8h

0.02

Long-term exposure

Exposure Assessment

Method



ratio

ConsExpo output

Dermal local exposure

0.64 mg/cm2/d N/A

ConsExpo output


0.0232 mg/kg bw/d

N/A

ConsExpo output


0.0143 mg/m3/8h

N/A

ConsExpo output


0.0143 mg/m3/8h

7.38E-04


Environment

Environmental exposure is not relevant for this scenario. Workers

For industrial spraying (PROC7), inhalation exposure is quantified using the Stoffenmanager model, with the following input parameters:

• Products contain 4% D4





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• Products are sprayed generating mist or haze

• Use takes places indoors in a location where room volume is 4 hours per day. Use may take place indoors or outdoors, but indoors is considered as the worst case. The scenario described assumes a maximum concentration of 4% for professional spray-application products, and 10% in other types of products. If higher concentration products are used, suitable operational conditions (e.g. use of local exhaust ventilation) or risk management measures (limit duration of exposure or use respiratory protective equipment offering at least 90% exposure reduction) should be applied to ensure safe use.





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1. Short title of Exposure Scenario: Use of Octamethylcyclotetrasiloxane (CAS 556-67-2) as a laboratory reagent.

Main User Groups : SU3 Sector of use : SU24 Product category : PC21 Process category : PROC15 Article category : Environmental release category : N/A Further information :

2.1 N/A

Remarks


: 100%






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Amount usedAnnual amount used per site : N/A Remarks : (Msafe) : Remarks :











: N/A


:



Conditions and measures related to external recovery of wasteRecovery Methods : N/A





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Remarks : Additional good practice advice beyond the REACH Chemical Safety Assessment

Additional good practice advice :

2.2 Contributing scenario controlling worker exposure for: PROC15


100%



Amount used

:





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Environment



Exposure Assessment

Method



ratio


With LEV Dermal local exposure

0.001 mg/cm2 N/A



0.035 mg/kg bw/d

N/A


Assumes LEV, and modification for duration of exposure (





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understanding. Should you require further information or clarification with regard to this e-SDS, please refer to your local Dow Corning supplier.

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