CAS Number2370-88-9
Synonyms1,3,5,7-tetramethylcyclotetrasiloxane; tetramethylcyclohydrosiloxane; 2,4,6,8-tetramethylcyclotetrasiloxane; cyclic tetramethyltetrasiloxane; 1,3,5,7-Tetramethyl Cyclotetrasiloxane; 1,3,5,7-Cyclotetra(methylsiloxane) 1,3,5,7-Tetramethylcyclotetrasiloxane TMCTS; MFCD00039567; TETRAMETHYLCYCLOTETRASILOXANE; TMCTS; 2,4,6,8-Tetramethyl-1,3,5,7,2,4,6,8-tetroxatetrasilocane; EINECS 219-137-4; 2,4,6,8-Tetramethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane; Cyclotetrasiloxane,2,4,6,8-tetramethyl; 1,3,5,7-Cyclotetra(methylsiloxane),1,3,5,7-Tetramethylcyclotetrasiloxane,TMCTS
Molecular Formula(HSiCH3O)4
Molecular Weight240.51
Purity≥98.5%
Density0.986 g/mL at 25 °C(lit.)
Boiling Point134 °C (lit.)
Melting Point−69 °C (lit.)
AppearanceColorless or light yellow transparent liquid
EINECS219-137-4
Symbol
Signal WordWarning
| Chemical & Physical Properties | |
|---|---|
| CAS Number | 2370-88-9 |
| Catalog No. | 2A-9028378 |
| Chinese Name | 2,4,6,8-四甲基环四硅氧烷 |
| Synonyms | 1,3,5,7-tetramethylcyclotetrasiloxane; tetramethylcyclohydrosiloxane; 2,4,6,8-tetramethylcyclotetrasiloxane; cyclic tetramethyltetrasiloxane; 1,3,5,7-Tetramethyl Cyclotetrasiloxane; 1,3,5,7-Cyclotetra(methylsiloxane) 1,3,5,7-Tetramethylcyclotetrasiloxane TMCTS; MFCD00039567; TETRAMETHYLCYCLOTETRASILOXANE; TMCTS; 2,4,6,8-Tetramethyl-1,3,5,7,2,4,6,8-tetroxatetrasilocane; EINECS 219-137-4; 2,4,6,8-Tetramethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane; Cyclotetrasiloxane,2,4,6,8-tetramethyl; 1,3,5,7-Cyclotetra(methylsiloxane),1,3,5,7-Tetramethylcyclotetrasiloxane,TMCTS |
| Molecular Formula | (HSiCH3O)4 |
| Molecular Weight | 240.51 |
| Purity | ≥98.5 |
| Density | 0.986 g/mL at 25 °C(lit.) |
| Boiling Point | 134 °C (lit.) |
| Melting Point | −69 °C (lit.) |
| Appearance | Colorless or light yellow transparent liquid |
| Storage Condition | Store under dry inert gas, keep container sealed, |
| Packaging | III |
| EINECS | 219-137-4 |
| HTC | 2901100000 |
| PubChem ID | 24873664 |
| MDL Number | MFCD00039567 |
| SMILES | C[SiH]1O[SiH](C)O[SiH](C)O[SiH](C)O1 |
| InChI | 1S/C4H16O4Si4/c1-9-5-10(2)7-12(4)8-11(3)6-9/h9-12H,1-4H3 |
| InChI Key | BQYPERTZJDZBIR-UHFFFAOYSA-N |
| Beilstein/REAXYS | 1775282 |
| NACRES Code | NA.23 |
| UNSPSC | 12352103 |
| Hazard Symbols | 3 |
| MSDS | msds/28378_1_2370_88_9.pdf |
| Tax Rebate | 9.0% |
| Supervision | none |
| Transport Info | Shipping Name: UN |
| MSDS Transport Info | Module 14. Shipping information 14.1 UN dangerous goods 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. (2,4,6,8-Tetramethylcyclotetrasiloxane) IMDG Code: FLAMMABLE LIQUID, N.O.S. (2,4,6,8-Tetramethylcyclotetrasiloxane) International air transport hazard regulations: Flammable liquid, n.o.s. (2,4,6,8-Tetramethylcyclotetrasiloxane) 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 reminder to users No data available The above information is believed to be correct, but is not all-inclusive and should be used as a guide only. The information in this document is based on our current knowledge and is Correct safety instructions apply to this product. This information does not represent a warranty as to the properties of this product. See reverse side of invoice or packing slip. |
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