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Dimethylcyclosiloxane (DMC) CAS NO.69430-24-6

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    Introduction:  Hexamethyldisiloxane (silicone ether, MM sealing agent) is a colorless and transparent liquid that is prone to deliquescence. Insoluble in water, soluble in various organic solvents. Used as silicone oil, silicone rubber, pharmaceuticals, gas chromatography stationary liquids, analytical reagents, hydrophobic agents, etc. Obtained by hydrolysis of trimethylchlorosilane.  The physical properties of hexamethyldisiloxane  colorless and transparent liquids. Easily deliquescent, flammable, and in contact with high heat, open flames, and strong oxidizing agents, there is a risk of combustion. Boiling point 99.5 ℃. Flash point -1.1 ℃. Relative density (d2525) 0.7606. The refractive index is 1.3750. Insoluble in water, soluble in various organic solvents.  Hexamethyldisiloxane is an important primary organic silicon raw material, often used as a capping agent in the production of silicone oil, or as a cleaning agent for silicone rubber, pharmaceuticals, gas c...

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Dimethylcyclosiloxane (DMC) CAS NO.69430-24-6

Name:Cyclosiloxanes, di-Me
CAS No.:69430-24-6
Appearance: Colorless transparent liquid
Molecular formula: [(CH3)2SiO]n ,n=3~7
Relative density (water=1): 0.956
Flash point: 55℃
Refractive index (25℃): 1.3960~1.3970;
Viscosity (25℃, mm2/s): ≤8;
Chloride ion content (ppm): ≤10.
  • Product Details

DMC--Dimethylcyclosiloxane CAS NO.69430-24-6

 

Name:Cyclosiloxanes, di-Me
CAS No.:69430-24-6
Appearance: Colorless transparent liquid
Molecular formula: [(CH3)2SiO]n ,n=3~7
Relative density (water=1): 0.956
Flash point: 55℃
Refractive index (25℃): 1.3960~1.3970;
Viscosity (25℃, mm2/s): ≤8;
Chloride ion content (ppm): ≤10.

Dimethylcyclosiloxane CAS NO.69430-24-6

Performance and use:
This product is colorless, flammable, insoluble in water, soluble in organic solvents such as benzene, with a viscosity of about 2.1~2.5mm2/s and a freezing point of 0℃~5℃. Under the catalysis of acid and alkali, it can be polymerized into silicone polymer, which is used to produce silicone oil, silicone rubber, etc.

Application:
1. Preparation of a high-transparency high-vinyl methyl vinyl silicone rubber.
2. Preparation of a car cleaning and nursing aldehyde removing sterilizing essence.
3. To prepare a waterproof material for water-based paint surface with high gloss and hydrophobicity.
4. Preparation of a methyl vinyl silicone rubber.

Packaging, storage and transportation:
1. This product is packaged in 210L plastic-lined iron drum or plastic drum (net weight 190㎏/drum) or 1000L steel-plastic square drum, or according to customer requirements and in compliance with safety regulations;
2. The DMC--Dimethylcyclosiloxane should be fireproof, rainproof, moistureproof, and prevent the infiltration of impurities such as acid and alkali during transportation;
3. It is forbidden to use mechanical equipment and tools that are prone to sparks when operating this product; lightly load and unload during handling to avoid leakage of this product caused by container damage.
4. The temperature of the storage site of the DMC--Dimethylcyclosiloxane should be between 20°C and 40°C. When the temperature is lower than 17°C, heat preservation and antifreeze work should be done.

Package:

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