1.Product Name:Dimethylcyclosiloxane (DMC)
2.Molecular Formula:[(CH3)2SiO]n , n=3~7
3.CAS No.: 69430-24-6
4.Flash Point: 55℃
5.Relative Density (water=1): 0.956g/cm3 (25℃)
6.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 |
7. Application and Usage
It’s widely used in cosmetics and body care products, Such as skin care, sunscreen, makeup, hair conditioning products, good compatibility with most of the alcohol and other cosmetic solvents. It can be directly used as the carrier, the main raw material or an additive, as well as in aqueous systems by the method of emulsification.
8. 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.
9. Others
Chemical Stability: Stable in closed containers under specified storage and handling conditions.
Conditions to Avoid: Incompatible materials, any sources of ignition or heat, exposure to moist air or water.
Incompatibilities with Other Materials: Strong oxidizing agents, acids, bases.
Hazardous Decomposition Products: In case of a fire, oxides of carbon, hydrocarbons, silicon oxide, fumes, and smoke may be generated by thermal decomposition or combustion.
Hazardous Polymerization: May occur.
