Octamethyltrisiloxane
ALDRICH/235709 - 98%
Synonym: 1,1,1,3,3,5,5,5-
CAS Number: 107-51-7
Empirical Formula (Hill Notation): C8H24O2Si3
Molecular Weight: 236.53
EC Number: 203-497-4
MDL Number: MFCD00008264
Linear Formula: [(CH3)3SiO]2Si(CH3)2
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: 235709-100ML.
| assay | 98% |
| bp | 153 °C (lit.) |
| density | 0.82 g/mL at 25 °C (lit.) |
| form | liquid |
| InChI | 1S/C8H24O2Si3/c1-11(2,3)9 |
| InChI key | CXQXSVUQTKDNFP-UHFFFAOYSA |
| mp | −82 °C (lit.) |
| Quality Level | 100  |
| refractive index | n |
| SMILES string | C[Si](C)(C)O[Si](C)(C)O[S |
| vapor density | >1 (vs air) |
| Application: | Octamethyltrisiloxane is used as a solvent for good dispersion of styrene and polydimethylsiloxane (PDMS), which are used in the fabrication of perovskite barium titanate inverse opal films. |
| General description: | Octamethyltrisiloxane, commonly referred to as octamethylcyclotetrasilox |
| Packaging: | 5, 100 mL in glass bottle |
| Symbol |  GHS02 |
| Signal word | Warning |
| Hazard statements | H226 |
| Precautionary statements | P210 - P233 - P240 - P241 - P242 - P243 |
| Risk Statements | 10 |
| Safety Statements | 23-24/25 |
| RIDADR | UN 1993C 3 / PGIII |
| WGK Germany | WGK 3 |
| Flash Point(F) | 84.2 °F - (External MSDS) |
| Flash Point(C) | 29 °C - (External MSDS) |
| Purity | 98% |
| bp | 153 °C (lit.) |
| mp | −82 °C (lit.) |
| Density | 0.82 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352103 |