辛基聚甲基硅氧烷，CAS 登记号 17955-88-3，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，下游主要用于化妆品原料。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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1,1,1,3,5,5,5-heptamethyl-3-octyltrisiloxane · CAS 17955-88-3 · C15H38O2Si3. UNII Q95M2P1KJL.
| CAS Registry Number | 17955-88-3 |
|---|---|
| PubChem CID | 87373 |
| Molecular formula | C15H38O2Si3 |
| IUPAC name | trimethyl-(methyl-octyl-trimethylsilyloxysilyl)oxysilane |
| UNII (FDA) | Q95M2P1KJL |
| Molecular Weight | 334.72 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 11 |
| Exact Mass | 334.21796005 |
| Monoisotopic Mass | 334.21796005 |
| Topological Polar Surface Area | 18.5 |
| Heavy Atom Count | 20 |
| Formal Charge | 0 |
| Complexity | 241 |
| Regulatory & Food Contact | CIR / INCI: Cosmetic ingredients (Caprylyl Methicone) -> CIR (Cosmetic Ingredient Review) |
|---|---|
| GHS notification summary | 98% (49 / 50) |
| GHS notification summary | 98% (49 / 50) |
|---|
This chemical does not meet GHS hazard criteria for 98% (49 of 50) of all reports.
Reported as not meeting GHS hazard criteria by 49 of 50 companies (only 2% companies provided GHS information). For more detailed information, please visit ECHA C&L website.
17955-88-3; 1,1,1,3,5,5,5-Heptamethyl-3-octyltrisiloxane; Caprylyl trisiloxane; Caprylyl methicone; Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-3-octyl-; EINECS 241-881-3; heptamethyloctyltrisiloxane; Q95M2P1KJL; octylheptamethyltrisiloxane; SILSOFT 034; SILCARE 41M15; SS 3408; BRB CAPRYLYL METHICONE; DTXSID6051807; BIS(TRIMETHYLSILOXY)OCTYLMETHYLSILANE; RefChem:573792
CAS 17955-88-3; molecular formula C15H38O2Si3; molecular weight — g/mol.
17955-88-3, 1,1,1,3,5,5,5-Heptamethyl-3-octyltrisiloxane, Caprylyl trisiloxane, Caprylyl methicone, Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-3-octyl-, EINECS 241-881-3.
Documented regulatory listings: CIR / INCI: Cosmetic ingredients (Caprylyl Methicone) -> CIR (Cosmetic Ingredient Review).
98% of GHS notifications report no hazard classification (49 of 50).
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.