Dimethicone
Pharmaceutical Materials 2025-03-02
CAS Number: 9006-65-9
Molecular Formula: C6H18OSi2
Molecular Weight: 150.37 g/mol
Appearance: Clear, viscous liquid
Usage: Widely used in cosmetics as an emollient, skin protectant, and to form a protective barrier on the skin.
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| Category | Details |
|---|---|
| Chemical Name | Dimethicone |
| Also Known As | Polydimethylsiloxane |
| CAS Number | 9006-65-9 |
| Molecular Formula | C6H18OSi2 |
| Molecular Weight | 162.38 g/mol |
| Appearance | Clear, colorless, odorless, and tasteless oil-like liquid |
| Density | 1 g/mL at 20°C |
| Flash Point | 121°C |
| Solubility | Insoluble in water; soluble in benzene, toluene, and other organic solvents |
| Properties | High flash point, low freezing point, good thermal stability, and resistance to high and low temperatures |
| Applications | – Widely used in cosmetics as an anti-foaming agent, skin protectant, and conditioning agent – Found in skin creams, lotions, sunscreens, shaving creams, and other personal care products – Used in cooking oils, processed foods, and fast food items – Applied in industrial settings as a lubricant, release agent, and electrical insulator |
| Benefits in Cosmetics | – Forms a protective barrier on the skin, preventing water loss – Provides a smooth and silky feel to skincare products – Helps to fill in fine lines and wrinkles, giving skin a temporary “plump” look |
| Safety | Considered safe for human use; not known to cause significant acute or chronic toxicity |
| Storage Conditions | Store in a cool, dry place, away from heat and open flames |
