Physical and Chemical Properties
Molecular Formula: [(CH3)2SiO]n , n=3~7
CAS No.: 69430-24-6
Flash Point: 55℃
Relative Density (water=1): 0.956g/cm3 (25℃ )
Technological Index
| Item | Index |
| Appearance | Colorless transparent liquid |
| Content of Dimethylsiloxane cyclic mixture/% ≥ | 99.80 |
| Refractive index nD20 | 1.3960~1.3970 |
| Chroma/ Platinum-cobalt scale/ Hazen unit ≤ | 10 |
| Content of Hexamethyldisiloxane/% ≤ | 0.005 |
| Acidity（ According to HCl） /% ≤ | 0.001 |
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.
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.
