Octaphenylcyclotetrasiloxane.
Synonym: 1,1,3,3,5,5,7,7-Octaphenylcyclotetrasiloxane
Chemical Structure

Introduction
SiSiB® PC9180 is a white solid.
Typical Physical Properties
| Chemical Name: | Octaphenylcyclotetrasiloxane |
| CAS No.: | 546-56-5 |
| EINECS No.: | 208-904-9 |
| Empirical Formula: | C48H40O4Si4 |
| Molecular Weight: | 793.17 |
| Boiling Point: | 332°C [760mmHg] |
| Flash Point: | 200°C |
| Color and Appearance: | White solid |
| Density [25°C]: | 1.185 |
| Purity: | 98% by GC |
Applications
SiSiB® PC9180 is used in phenyl silicone rubber.
Packings
Net weight 25Kg fiber drum or net 160Kg steel drum, for more details, please visit Packing Centre.