Product Name

  • Name

    Dimethicone

  • EINECS
  • CAS No. 9006-65-9
  • Density 1 g/mL at 20 °C
  • Solubility INSOLUBLE
  • Melting Point -35°C
  • Formula Unspecified
  • Boiling Point 155-220°C
  • Molecular Weight 162.37800
  • Flash Point 121 °C
  • Transport Information
  • Appearance Transparent Viscid Liquid
  • Safety 24/25-26
  • Risk Codes 36/37/38
  • Molecular Structure Molecular Structure of 9006-65-9 (Dimethicone)
  • Hazard Symbols 36/37/38:;
  • 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;
  • PSA 9.23000
  • LogP 2.67280

Dimethicone 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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