甲基聚三甲基硅氧烷 (CAS No. 17928-28-8) is supplied by Jinan Shenghe Chemical Co., Ltd. with a typical purity of 按批次COA提供(不公开发布). Main applications include 化妆品原料. Bulk quantities are available with COA; purity and packaging are subject to batch COA and order confirmation.
化妆品原料
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The CAS number of 甲基聚三甲基硅氧烷 is 17928-28-8.
Typical purity is 按批次COA提供(不公开发布), supplied in 按订单/批次确认(不公开发布), with COA provided.
Main applications include 化妆品原料.
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Methyltris(trimethylsiloxy)silane · CAS 17928-28-8 · C10H30O3Si4. UNII S73ZQI0GXM. Boiling Point: 381 °F at 760 mmHg (NTP, 1992); Melting Point: -105 °F (NTP, 1992); Flash Point: 187 °F (NTP, 1992).
| CAS Registry Number | 17928-28-8 |
|---|---|
| PubChem CID | 28838 |
| Molecular formula | C10H30O3Si4 |
| IUPAC name | trimethyl-[methyl-bis(trimethylsilyloxy)silyl]oxysilane |
| UNII (FDA) | S73ZQI0GXM |
| Molecular Weight | 310.68 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 6 |
| Exact Mass | 310.12720095 |
| Monoisotopic Mass | 310.12720095 |
| Topological Polar Surface Area | 27.7 |
| Heavy Atom Count | 17 |
| Formal Charge | 0 |
| Complexity | 209 |
| Boiling Point | 381 °F at 760 mmHg (NTP, 1992) |
|---|---|
| Melting Point | -105 °F (NTP, 1992) |
| Flash Point | 187 °F (NTP, 1992) |
| GHS notification summary | 21.4% (41 / 192) |
|---|
| GHS notification summary | 21.4% (41 / 192) |
|---|---|
| Reported hazard statements | H226 (78.1%), H315 (22.4%), H319 (22.4%), H335 (21.9%), H373 (55.7%) |
This chemical does not meet GHS hazard criteria for 21.4% (41 of 192) of reports.
H226 (78.1%): Flammable liquid and vapor [Warning Flammable liquids]
METHYLTRIS(TRIMETHYLSILOXY)SILANE; Methyl trimethicone; 1,1,1,3,5,5,5-Heptamethyl-3-((trimethylsilyl)oxy)trisiloxane; methyl tris(trimethylsiloxy)silane; Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-3-[(trimethylsilyl)oxy]-; 1,1,1,3,5,5,5-Heptamethyl-3-[(trimethylsilyl)oxy]trisiloxane; UNII-S73ZQI0GXM; S73ZQI0GXM; EINECS 241-867-7; Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-3-((trimethylsilyl)oxy)-; tris(trimethylsiloxy)methylsilane; DTXSID9025669; TMF-1.5; EC 241-867-7; Methyl tris-(trimethylsilyloxy)silane; RefChem:158355
CAS 17928-28-8; molecular formula C10H30O3Si4; molecular weight — g/mol.
METHYLTRIS(TRIMETHYLSILOXY)SILANE, Methyl trimethicone, 1,1,1,3,5,5,5-Heptamethyl-3-((trimethylsilyl)oxy)trisiloxane, methyl tris(trimethylsiloxy)silane, Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-3-[(trimethylsilyl)oxy]-, 1,1,1,3,5,5,5-Heptamethyl-3-[(trimethylsilyl)oxy]trisiloxane.
21.4% of GHS notifications report no hazard classification (41 of 192).
Boiling Point: 381 °F at 760 mmHg (NTP, 1992); Melting Point: -105 °F (NTP, 1992); Flash Point: 187 °F (NTP, 1992).
Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.
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