CAS Number1873-88-7
SynonymsEINECS 217-496-1; Trisiloxane,1,1,1,3,5,5,5-heptamethyl; Bis(trimethylsiloxy)methylsilane; Methylpolysilicone; Methylbis(trimethylsilyloxy)silane; MFCD00048000; 1,1,1,3,5,5,5-Heptamethyltrisiloxane
Molecular Formula[(CH3)3SiO]2SiHCH3
Molecular Weight222.50
Purity97%
Density0.819 g/mL at 25 °C(lit.)
Boiling Point142 °C (lit.)
Melting Point<0ºC
Appearancecolorless liquid
EINECS217-496-1
Symbol
Signal WordWarning
| Chemical & Physical Properties | |
|---|---|
| CAS Number | 1873-88-7 |
| Catalog No. | 2A-9000609 |
| Chinese Name | 双三甲基硅氧基甲基硅烷 |
| Synonyms | EINECS 217-496-1; Trisiloxane,1,1,1,3,5,5,5-heptamethyl; Bis(trimethylsiloxy)methylsilane; Methylpolysilicone; Methylbis(trimethylsilyloxy)silane; MFCD00048000; 1,1,1,3,5,5,5-Heptamethyltrisiloxane |
| Molecular Formula | [(CH3)3SiO]2SiHCH3 |
| Molecular Weight | 222.50 |
| Purity | 97 |
| Density | 0.819 g/mL at 25 °C(lit.) |
| Boiling Point | 142 °C (lit.) |
| Melting Point | <0ºC |
| Appearance | colorless liquid |
| Storage Condition | Keep the receptacle sealed, stored in a cool, dry |
| EINECS | 217-496-1 |
| HTC | 2934999090 |
| UN(IATA) | UN 1993 |
| PubChem ID | 24863086 |
| MDL Number | MFCD00048000 |
| SMILES | C[SiH](O[Si](C)(C)C)O[Si](C)(C)C |
| InChI | 1S/C7H22O2Si3/c1-10(8-11(2,3)4)9-12(5,6)7/h10H,1-7H3 |
| InChI Key | QNWOFLWXQGHSRH-UHFFFAOYSA-N |
| Beilstein/REAXYS | 1748455 |
| NACRES Code | NA.22 |
| UNSPSC | 12352103 |
| Hazard Symbols | Transport |
| Risk Codes | R10;R36/37/38 |
| Safety Description | S26;S36 |
| MSDS | msds/609_1_1873_88_7.pdf |
| Tax Rebate | 13.0% |
| Supervision | None. MFN tariff: 6.5%. Ordinary tariff: 20.0% |
| Transport Info | Shipping Name: UN |
| MSDS Transport Info | Module 14. Shipping information 14.1 UN dangerous goods number European Land Transport Danger Regulations: 1993 International Maritime Transport Danger Regulations: 1993 International Air Transport Danger Regulations: 1993 14.2 United Nations shipping name European Land Transport Dangerous Regulations: FLAMMABLE LIQUID, N.O.S. (1,1,1,3,5,5,5-Heptamethyltrisiloxane) IMDG: FLAMMABLE LIQUID, N.O.S. (1,1,1,3,5,5,5-Heptamethyltrisiloxane) International air transport hazard regulations: Flammable liquid, n.o.s. (1,1,1,3,5,5,5-Heptamethyltrisiloxane) 14.3 Transport hazard categories European land transport Dangerous Regulations: 3 International sea transport Dangerous Regulations: 3 International air transport Dangerous Regulations: 3 14.4 Package group European Dangerous Regulations for land transport: II International Dangerous Regulations for sea transport: II International Dangerous Regulations for air transport: II 14.5 Environmental hazards European Land Transport Danger Regulations: No International Maritime Danger Regulations International Air Transport Danger Regulations: No Marine pollutants (yes/no): No 14.6 Special reminder to users No data available |
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