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Dimethicone

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Name Dimethicone EINECS
CAS No. 9006-65-9 Density
Solubility Melting Point
Formula Unspecified Boiling Point
Molecular Weight Flash Point
Transport Information Appearance Transparent Viscid Liquid
Safety Risk Codes
Molecular Structure Molecular Structure of 9006-65-9 (Dimethicone) Hazard Symbols
Synonyms

Poly(oxy(dimethylsilylene)), alpha-(trimethylsilyl)-omega-methyl-;Belsil DM 1000;Dimethylpolysiloxane;Dimethyl polysiloxane, bis(trimethylsilyl)-terminated;Dimethyl polysiloxane, dimethyl-terminated;Dimeticonum;HSDB 1808;Mirasil DM 20;Ophtasiloxane;Polydimethylsiloxane;Sentry dimethicone;Sentry dimethicone dispension;UNII-2Y53S6ATLU;

 

Specification

The Dimethicone with CAS registry number of 9006-65-9 is also known as Polydimethylsiloxane. The systematic name is Dimethylpolysiloxane. It belongs to classification codes of Lubricant and Hydrophobing Agent; Lubricant and hydrophobing agent. In addition, the formula is C3H9OSi.(C2H6OSi)n.C3H9Si. This chemical is a colourless to slightly yellow liquid. When using it, avoid contact with skin and eyes.

Uses of Dimethicone. This chemical is commonly used as a stamp resin in the procedure of soft lithography. It is used variously in the cosmetic and consumer product industry as well. Dimethicone is also used in analytical chemistry as a component of some types of SPME fibers. What's more, it has been used in the aerospace industry as a heat tile on reentry vehicles. As we all known, it can be used as a component in silicone grease or other silicone based lubricants and used in over-the-counter drug as an anti-foaming agent and carminative and so on.

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 oral > 20gm/kg (20000mg/kg)   Gekkan Yakuji. Pharmaceuticals Monthly. Vol. 9, Pg. 759, 1967.

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