Octamethylcyclotetrasiloxane (D4)

Physical and Chemical Properties

Molecular Formula: (CH3)8Si4O4
CAS No.: 556-67-2
Freezing Point: 17~18¡æ
Boiling Point: 175~176¡æ
Flash Point: 60¡æ
Relative Density (water=1): 0.956g/cm3 (25¡æ )

Technological Index

Application and Usage

It is colorless, inflammable, and can not dissolve in water, but dissolve in organic solvents such as benzene, etc. It can be used to synthesize silicone polymer by acid or alkali catalysis to manufacture silicone oil, silicone rubber, etc. It can also be used directly as treating agent for rubber stuffing and the raw material for cosmetic.

Package, Storage and Handling

N.W 190KG/Steel drum, N.W. 950KG/IBC or ISO Tank.
Store in a cool, dry, well-ventilated area and keep away from oxidant, acid and alkali. The storage area should be equipped with the corresponding species and quantity of fire equipment and leakage emergency equipment. Handling according to hazardous substances. Be careful when loading and unloading to avoid damages of the package.