聚环氧烷改性七甲基三硅氧烷，CAS 登记号 27306-78-1，由济南圣和化工有限公司现货供应，可提供纯度 按批次COA提供(不公开发布) 的规格，下游主要用于有机化学品。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。
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Polyalkyleneoxide Modified Heptamethyltrisiloxane · CAS 27306-78-1 · C13H34O4Si3.
| CAS Registry Number | 27306-78-1 |
|---|---|
| PubChem CID | 197160 |
| Molecular formula | C13H34O4Si3 |
| IUPAC name | 3-(2-methoxyethoxy)propyl-methyl-bis(trimethylsilyloxy)silane |
| Molecular Weight | 338.66 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 11 |
| Exact Mass | 338.17648916 |
| Monoisotopic Mass | 338.17648916 |
| Topological Polar Surface Area | 36.9 |
| Heavy Atom Count | 20 |
| Formal Charge | 0 |
| Complexity | 245 |
| GHS notification summary | 4.1% (19 / 463) |
|---|
| GHS notification summary | 4.1% (19 / 463) |
|---|---|
| Reported hazard statements | H302 (14.3%), H312 (14.7%), H315 (11.7%), H319 (90.9%), H332 (88.6%), H411 (87.5%) |
This chemical does not meet GHS hazard criteria for 4.1% (19 of 463) of reports.
H302 (14.3%): Harmful if swallowed [Warning Acute toxicity, oral]
3-(2-methoxyethoxy)propyl-methyl-bis(trimethylsilyloxy)silane; RefChem:491129; 608-078-3; 27306-78-1; Silwet L 77; MFCD00285093; DTXSID1040611; SCHEMBL577857; C13H34O4Si3; JQRXTVACLHSVTF-UHFFFAOYSA-N; Polyethylene glycol monomethyl ether mono[3-[methylbis(trimethylsiloxy)silyl]propyl] ether; 3-(3-(2-Methoxyethoxy)propyl)-1,1,1,3,5,5,5-heptamethyltrisiloxane; 877815-31-1; Poly(oxy-1,2-ethanediyl),a-methyl-w-[3-[1,3,3,3-tetramethyl-1-[(trimethylsilyl)oxy]-1-disiloxanyl]propoxy]
CAS 27306-78-1; molecular formula C13H34O4Si3; molecular weight — g/mol.
3-(2-methoxyethoxy)propyl-methyl-bis(trimethylsilyloxy)silane, RefChem:491129, 608-078-3, 27306-78-1, Silwet L 77, MFCD00285093.
4.1% of GHS notifications report no hazard classification (19 of 463).
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.