| Identification | |
| Name: | Poly[silylene(methylene)](9CI) |
| Synonyms: | SP 4000; SP4000 (silane polymer) |
| CAS: | 74056-94-3 |
| Molecular Formula: | (CH4 Si)n |
| Molecular Weight: | 0 |
| Molecular Structure: |  |
| Properties | |
| Transport: | UN 1993 3/PG 3 |
| Flash Point: | 79 °F |
| Boiling Point: | 50 °C(lit.) |
| Density: | 0.95 g/mL at 25 °C(lit.) |
| Refractive index: | n20/D 1.509(lit.) |
| Flash Point: | 79 °F |
| Safety Data | |
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