CAS Number556-67-2
SynonymsEINECS 209-136-7; Octamethylcyclotetrasiloxane; MFCD00003269; 2,2,4,4,6,6,8,8-Octamethyl-1,3,5,7,2,4,6,8-tetroxatetrasilocane; 2,2,4,4,6,6,8,8-octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
Molecular Formula[-Si(CH3)2O-]4
Molecular Weight296.62
Purity98%
Density1.0±0.1 g/cm3
Boiling Point175-176 °C (lit.)
Melting Point17-18 °C (lit.)
Appearanceliquid
EINECS209-136-7
Symbol
Signal WordWarning
| Chemical & Physical Properties | |
|---|---|
| CAS Number | 556-67-2 |
| Catalog No. | 2A-9015218 |
| Chinese Name | 八甲基环四硅氧烷 |
| Synonyms | EINECS 209-136-7; Octamethylcyclotetrasiloxane; MFCD00003269; 2,2,4,4,6,6,8,8-Octamethyl-1,3,5,7,2,4,6,8-tetroxatetrasilocane; 2,2,4,4,6,6,8,8-octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane |
| Molecular Formula | [-Si(CH3)2O-]4 |
| Molecular Weight | 296.62 |
| Purity | 98 |
| Density | 1.0±0.1 g/cm3 |
| Boiling Point | 175-176 °C (lit.) |
| Melting Point | 17-18 °C (lit.) |
| Appearance | liquid |
| Water Solubility | INSOLUBLE |
| Storage Condition | 2-8°C |
| Packaging | III |
| EINECS | 209-136-7 |
| PubChem ID | 24853994 |
| MDL Number | MFCD00003269 |
| SMILES | C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 |
| InChI | 1S/C8H24O4Si4/c1-13(2)9-14(3,4)11-16(7,8)12-15(5,6)10-13/h1-8H3 |
| InChI Key | HMMGMWAXVFQUOA-UHFFFAOYSA-N |
| Beilstein/REAXYS | 1787074 |
| NACRES Code | NA.23 |
| UNSPSC | 12352103 |
| Hazard Symbols | 3 |
| MSDS | msds/15218_1_556_67_2.pdf |
| Transport Info | Shipping Name: UN |
| MSDS Transport Info | Module 14. Shipping information 14.1 United Nations number European Land Transport Dangerous Regulations: 1993 International Maritime Transport Dangerous Regulations: 1993 International Air Transport Dangerous Regulations: 1993 14.2 United Nations shipping name European Land Transport Dangerous Regulations: FLAMMABLE LIQUID, N.O.S. (Octamethylcyclotetrasiloxane) IMDG Code: FLAMMABLE LIQUID, N.O.S. (Octamethylcyclotetrasiloxane) International air transport hazard regulations: Flammable liquid, n.o.s. (Octamethylcyclotetrasiloxane) 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 Land Transport Danger Regulations: III International Maritime Transport Danger Regulations: III International Air Transport Danger Regulations: III 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 precautions No data available |
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