CAS Number107-51-7
SynonymsPoly(Dimethylsiloxane); Octamethyltrisiloxane; EINECS 203-497-4; Dimethylbis(trimethylsilyloxy)silane; POLY(DIMETHYLSILOXANE),HYDROXY TERMINATED; POLY(DIMETHYLSILOXANE), HYDROXY TERMINATED; MFCD01325012
Molecular Formula[(CH3)3SiO]2Si(CH3)2
Molecular Weight236.53
Purity98%
Density0.8±0.1 g/cm3
Boiling Point153 °C (lit.)
Melting Point−82 °C (lit.)
Appearanceliquid
EINECS203-497-4
Symbol
Signal WordWarning
| Chemical & Physical Properties | |
|---|---|
| CAS Number | 107-51-7 |
| Catalog No. | 2A-9008628 |
| Chinese Name | 八甲基三硅氧烷 |
| Synonyms | Poly(Dimethylsiloxane); Octamethyltrisiloxane; EINECS 203-497-4; Dimethylbis(trimethylsilyloxy)silane; POLY(DIMETHYLSILOXANE),HYDROXY TERMINATED; POLY(DIMETHYLSILOXANE), HYDROXY TERMINATED; MFCD01325012 |
| Molecular Formula | [(CH3)3SiO]2Si(CH3)2 |
| Molecular Weight | 236.53 |
| Purity | 98 |
| Density | 0.8±0.1 g/cm3 |
| Boiling Point | 153 °C (lit.) |
| Melting Point | −82 °C (lit.) |
| Appearance | liquid |
| Water Solubility | Soluble in: benzene; slightly soluble in: alcohol |
| Storage Condition | Flammables area |
| Packaging | III |
| EINECS | 203-497-4 |
| HTC | 2934999090 |
| UN(IATA) | UN 1993 |
| PubChem ID | 24853996 |
| MDL Number | MFCD00008264 |
| SMILES | C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C |
| InChI | 1S/C8H24O2Si3/c1-11(2,3)9-13(7,8)10-12(4,5)6/h1-8H3 |
| InChI Key | CXQXSVUQTKDNFP-UHFFFAOYSA-N |
| Beilstein/REAXYS | 1753063 |
| NACRES Code | NA.22 |
| UNSPSC | 12352103 |
| Hazard Symbols | 3.2 |
| Risk Codes | R10 |
| Safety Description | S23;S24/25 |
| MSDS | msds/8628_1_107_51_7.pdf |
| Use of | Properties Articles471 Name Octamethyltrisiloxane Synonym More Synonyms Chemical & Physical Properties Molecular Formula C8H24O2Si3 Exact Mass 236.108414 PSA 18.46000 Vapour density >1 (vs air) Index of Refraction 1.405 InChIKey CXQXSVUQTKDNFP-UHFFFAOYSA-N SMILES C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C Storage condition Flammables area |
| Tax Rebate | 13.0% |
| Supervision | None. MFN tariff: 6.5%. Ordinary tariff: 20.0% |
| Transport Info | Product name: Purity: 98.0% |
| MSDS Transport Info | Module 14. Shipping information United Nations Classification: Class 3 Flammable Liquids. UN number: 1993 Proper shipping name: Flammable Liquid, not otherwise specified Packing grade: III |
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