Agent Name

Dimethyl siloxane, reaction product with silica

CAS Number

67762-90-7

Formula

Unspecified

Major Category

Plastics & Rubber

Synonyms

Dimethyl siloxane, reaction product with silica; Hydrophobic silica; Polydimethylsiloxane, silicon dioxide reaction product; Reaction products of dimethyl siloxanes and silicones with silica; Siliconized silica; Siloxanes and Silicones, di-Me, reaction products with silica; Dimethyl silicone polymer with silica; Dimethyl silicone polymer with silica, minimum number average molecular weight (in amu), 1,100,000; [ChemIDplus] Dimethyl siloxane polymer with silica; [EPA] AEROSIL R 202; [Evonik MSDS]

Category

Polymers

Description

White odorless powder; [Evonik MSDS]

Sources/Uses

Permitted for use as an inert ingredient in non-food pesticide products; [EPA] Used as a coating agent, sealant, and reinforcing agent; [Evonik MSDS]

Comments

Causes lung changes and hemorrhage in 4-week intermittent inhalation studies of rats; [RTECS] Not irritating to skin or eyes in rabbits; [Evonik MSDS]

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure: