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CAS No.: | 9006-65-9 |
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Name: | Dimethicone |
Molecular Structure: | |
Formula: | Unspecified |
Molecular Weight: | 162.37800 |
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; |
Density: | 1 g/mL at 20 °C |
Melting Point: | -35°C |
Boiling Point: | 155-220°C |
Flash Point: | 121 °C |
Solubility: | INSOLUBLE |
Appearance: | Transparent Viscid Liquid |
Hazard Symbols: | 36/37/38:; |
Risk Codes: | 36/37/38 |
Safety: | 24/25-26 |
PSA: | 9.23000 |
LogP: | 2.67280 |
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 |
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mouse | LD50 | oral | > 20gm/kg (20000mg/kg) | Gekkan Yakuji. Pharmaceuticals Monthly. Vol. 9, Pg. 759, 1967. |