| Name | HPCS |
| Synonyms | HPCS SP4000 Poly(silaethylene) HYDRIDOPOLYCARBOSILANE Poly[silylene(methylene)] POLY(CARBODIHYDRIDOSILANE) HPCS, Hydridopolycarbosilane |
| CAS | 74056-94-3 |
| Molecular Formula | (CH4Si)n |
| Density | 0.95g/mLat 25°C(lit.) |
| Boling Point | 50°C(lit.) |
| Flash Point | 79°F |
| Refractive Index | n20/D 1.509(lit.) |
| Risk Codes | 10 - Flammable |
| Safety Description | 16 - Keep away from sources of ignition. |
| UN IDs | UN 1993 3/PG 3 |
| WGK Germany | 3 |
| use | silicon carbide precursor. Wear-resistant coatings and sealing coatings for ceramic composites and porous composite precursors for high-temperature filters and catalysts. |