Agent Name

Dimethicone

CAS Number

9006-65-9

Formula

Unspecified

Major Category

Plastics & Rubber

Synonyms

Poly(oxy(dimethylsilylene)), alpha-(trimethylsilyl)-omega-methyl-; Belsil DM 1000; DC 1664; Dimethicones; Dimethyl polysiloxane; Dimethyl polysiloxane, bis(trimethylsilyl)-terminated; Dimethyl polysiloxane, dimethyl-terminated; Dimethylpolysiloxane; Dimeticona [INN-Spanish]; Dimeticone; Dimeticonum [INN-Latin]; Dow Corning 1664; Mirasil DM 20; Ophtasiloxane; Poly(dimethylsiloxane); Polydimethylsiloxane; Polysilane; Sentry Dimethicone; Sentry Dimethicone Dispension; Viscasil 5M; alpha-(Trimethylsilyl)-omega-methylpoly(oxy(dimethylsilylene)); Dimethicone 350; [ChemIDplus] Dimeticon; [Merck Index] Dimethylsilicone fluid; Dimethylsiloxane; E900; Methyl polysiloxane; Methylsilicon oil; Methyl-silicone; Polydimethylsiloxane silicone oil; [HSDB] Dimethyl silicone fluids; Dimethyl silicone oil; Silicone fluids; [CHRIS] Gransurf 50C; [Grant Industries MSDS]

Category

Polymers

Description

Clear colorless liquid; [Merck Index] Odorless; [CHRIS] Translucent gel; [Grant Industries MSDS]

Sources/Uses

A silicone oil mixture; Used as a skin protectant, antifoaming agent, therapeutic antiflatulent, and veterinary antibloating agent; [Merck Index] Used in shampoos, caulking, lubricating oils, and heat-resistant tiles; [REPROTOX] Used as an antifoaming and anticaking agent for foods; [JECFA] Permitted for use as an inert ingredient in non-food pesticide products; [EPA]

Comments

Causes transient eye irritation; No evidence of skin irritation or sensitization; [HSDB] An eye irritant; Not irritating to skin; [CHRIS] May cause irritation; [Grant Industries MSDS] See "Octamethyltrisiloxane."

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