Identification

Namepolydimethylsiloxanes
IUPACdimethyl-bis(trimethylsilyloxy)silane
CAS Number63148-62-9
FDA UNII9G1ZW13R0G
Molecular FormulaC8 H24 O2 Si3
Molecular Weight236.53358000
Nikkaji NumberJ99.786B

Regulatory

FDA/DG SANTE Petitions, Reviews, NoticesFCN 643
DG SANTE Food Contact Materialspolydimethylsiloxane (Mw > 6 800 Da)

Physical Properties

Assay 95.00 to 100.00
Food Chemicals Codex Listed No
Specific Gravity 0.96300 @ 25.00 °C.
Refractive Index 1.40400 @ 20.00 °C.
Flash Point 600.00 °F. TCC ( 315.56 °C. )
Soluble in water, 0.002918 mg/L @ 25 °C (est)

No sensory data available

Safety Information

Oral/Parenteral Toxicityoral-guinea pig LD > 10000 mg/kg
Dermal Toxicityskin-rabbit LD > 20 mL/kg
Inhalation Toxicityinhalation-rabbit LC > 978000 mg/m3/7.5

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']

Safety in Use

Categoryindirect food additives: adhesives and components of coatings
Recommendation for polydimethylsiloxanes usage levels up tonot for fragrance use.
Recommendation for polydimethylsiloxanes flavor usage levels up tonot for flavor use.

ECSA Chemicals

Human Chemistry

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Potential Uses

None Found

Natural Occurrence

not found in nature

Synonyms

baysilon dimethyl-bis(trimethylsilyloxy)silane polydimethylsiloxane (Mw > 6 800 Da) silicone oil for mp & bp apparatus Try the PubMed Search.