Tetramethyltetraphenylcyclotetrasiloxane.
Synonym: Tetraphenyltetramethylcyclotetrasiloxane;
2,4,6,8-Tetramethyl-2,4,6,8-tetraphenyl-cyclotetrasiloxane;
1,3,5,7-Tetramethyl-1,3,5,7-tetraphenyl-cyclotetrasiloxane;
Chemical Structure
Introduction
SiSiB® PC9181 is a Phenyl Methyl Cyclic Mixture (Phenylmethylcyclosiloxanes), CAS number 68037-54-7.
Typical Physical Properties
| Chemical Name: | MePhD3 | MePhD4 | MePhD5 |
| CAS No.: | 546-45-2 | 77-63-4 | 34239-75-3 |
| EINECS No.: | 208-900-7 | 201-045-0 | — |
| Empirical Formula: | C21H24O3Si3 | C28H32O4Si4 | C35H40O5Si5 |
| Molecular Weight: | 408.67 | 544.89 | 681.12 |
| Appearance: | Clear liquid with possible crystal | ||
| Color (APHA): | Max. 10 | ||
| Density [25°C]: | 1.12 | ||
| Refractive Index [25°C]: | 1.545 | ||
| Purity: | 99.0% by GC |
Applications
SiSiB® PC9181 is used in phenyl silicone rubber, silicone fluid and silicone resin.
Packings
Net weight 200Kg steel drum, for more details, please visit Packing Centre.