Hexamethylcyclotrisiloxane
ALDRICH/235687 - 98%
Synonym: Cyclic (D3) permethylsiloxane
CAS Number: 541-05-9
Empirical Formula (Hill Notation): C6H18O3Si3
Molecular Weight: 222.46
EC Number: 208-765-4
MDL Number: MFCD00005943
Linear Formula: C6H18O3Si3
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 235687-100G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 235687-25G
| assay | 98% |
| bp | 134 °C (lit.) |
| form | solid |
| InChI | 1S/C6H18O3Si3/c1-10(2)7-1 |
| InChI key | HTDJPCNNEPUOOQ-UHFFFAOYSA |
| mp | 50-64 °C (lit.) |
| Quality Level | 100  |
| SMILES string | C[Si]1(C)O[Si](C)(C)O[Si] |
| vapor density | 1 (vs air) |
| Application: | Hexamethylcyclotrisiloxan • Polysiloxanes by anionic ring-opening polymerization. • Thin films by pulsed- plasma-enhanced chemical vapor deposition (PECVD) for the application of insulating biomaterials. • Dimethoxydimethylsilane by treating with dimethyl carbonate via deoligomerization using alkali metal hydroxide catalyst. |
| Packaging: | 25, 100 g in glass bottle |
| Symbol |  GHS02 |
| Signal word | Danger |
| Hazard statements | H228 |
| Precautionary statements | P210 |
| Hazard Codes | F |
| Risk Statements | 11 |
| RIDADR | UN1325 - class 4.1 - PG 2 - Flammable solids, organic, n.o.s., H |
| WGK Germany | WGK 3 |
| Flash Point(F) | 95.0 °F - closed cup |
| Flash Point(C) | 35 °C - closed cup |
| Purity | 98% |
| bp | 134 °C (lit.) |
| mp | 50-64 °C (lit.) |
| UNSPSC | 12352103 |