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Dimethylsilicone oil
Dimethylsilicone oil

CAS: 9006-65-9

Molecular formula: CH3 [Si (CH3) 2] nSi (CH3) 3

Molecular weight: Generally between 5000 and 100000 depending on the molecular weight. Chemical properties:

Appearance: Colorless, transparent, viscous liquid

Features: high flash point, low solidification point, good thermal stability, and resistance to high and low temperatures

Temperature range for use: -50 ℃ to+180 ℃. It can be used for a long time at 200 ℃ under isolated air conditions or in inert gas

Solubility: soluble in benzene, toluene, xylene, and ether, partially soluble in ethanol, butanol, and acetone, insoluble in cyclohexanol, methanol, paraffin oil, and vegetable oil


Main uses
  • Insulating agent
    Used for the preparation of electrical insulation materials.
  • Lubricant
    Used to reduce friction and wear, and improve the efficiency of mechanical equipment.
  • Moisture-proof agent
    It has good hydrophobic and moisture-proof properties and can be used as a moisture-proof filler and coating.
  • Defoamer
    It can effectively eliminate bubbles in liquids and is used for defoaming treatment in chemical production.
  • Release agent
    Widely used for demolding materials such as plastics and rubber, improving the demolding performance of products.
  • Surface treatment agent
    Used to improve the surface performance of materials, such as increasing smoothness, dust-proof, anti fouling, etc.
  • Cosmetics and Drug Formulation
    As an important component of cosmetics and certain drugs, it has good physiological inertness and safety.

Security information

(1) Dimethylsilicone oil is not a hazardous material, but storage and use safety still need to be taken into consideration.

(2) Store in a cool and dry place, away from sources of fire and heat.

(3) Avoid contact with strong oxidants to prevent chemical reactions from occurring.

(4) If in contact with skin and eyes, rinse immediately with water and seek medical attention.

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