POLY(METHYLSILSESQUIOXANE) Chemical Properties
density | 1,08 g/cm3 |
refractive index | 1.42 |
Fp | >121°C |
solubility | |
form | Solid |
Specific Gravity | 1.08 |
color | Clear. White. |
EPA Substance Registry System | Silsesquioxanes, Me (68554-70-1) |
Safety Information
Risk Statements | 36/37/38 |
Safety Statements | 26-36/37/39 |
TSCA | Yes |
Product Overview
Poly(methylsilsesquioxane) (CAS 68554-70-1) is a silicone-based polymer resin with a three-dimensional siloxane structure. It is commonly supplied as a fine white powder and is insoluble in water. Known for its smooth texture, water repellency, and surface-modifying properties, it is widely used in cosmetic formulations and specialty material applications.

POLY(METHYLSILSESQUIOXANE) Chemical Properties
density | 1,08 g/cm3 |
refractive index | 1.42 |
Fp | >121°C |
solubility | |
form | Solid |
Specific Gravity | 1.08 |
color | Clear. White. |
EPA Substance Registry System | Silsesquioxanes, Me (68554-70-1) |
Safety Information
Risk Statements | 36/37/38 |
Safety Statements | 26-36/37/39 |
TSCA | Yes |
Safety and Storage
Store in a tightly sealed container in a cool, dry, and well-ventilated place. Protect the material from moisture, direct sunlight, and excessive heat. Avoid generating or inhaling dust during handling. Wear appropriate protective gloves, safety glasses, and protective clothing. Refer to the product-specific Safety Data Sheet (SDS) for detailed handling and emergency instructions.