3-OCTYLHEPTAMETHYLTRISILOXANE (CAS 17955-88-3) — formula C15H38O2Si3, molecular weight 334.72; category cosmetic raw materials.
3-OCTYLHEPTAMETHYLTRISILOXANE (CAS 17955-88-3) is a cosmetic raw materials. Its molecular formula C15H38O2Si3 comprises 15 C, 38 H, 2 O, 3 Si atoms. Its molecular weight is about 334.72. Cosmetic raw materials are used in skincare, haircare and makeup formulations, with focus on safety, stability and skin feel. Common in moisturizing, emulsifying, thickening, preserving and active systems, complying with cosmetic-ingredient safety norms. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 17955-88-3 |
|---|---|
| Molecular Formula | C15H38O2Si3 |
| Molecular Weight | 334.72 |
| Applications | CIR ingredient: Caprylyl Methicone, Other, Household Products: Information on 11 consumer products that contain Caprylyl Methicone in the following categories is provided, • Personal Care, U.S. Production: 2023: 550, Other (requires additional information) |
| Category | Cosmetic Raw Materials |
Documented applications: CIR ingredient: Caprylyl Methicone, Other, Household Products: Information on 11 consumer products that contain Caprylyl Methicone in the following categories is provided, • Personal Care, U.S. Production: 2023: 550, Other (requires additional information).
3-OCTYLHEPTAMETHYLTRISILOXANE is a cosmetic-ingredient compound with CAS registry number 17955-88-3 and molecular formula C15H38O2Si3 (molecular weight 334.72), belonging to the cosmetic raw materials segment of chemical raw materials.
CAS number: 17955-88-3
Its molecular formula C15H38O2Si3 comprises 15 C, 38 H, 2 O, 3 Si atoms.
Also known as: 3-OCTYLHEPTAMETHYLTRISILOXANE · 辛基聚甲基硅氧烷 · CAPRYLYL METHICONE · 1,1,1,3,5,5,5-heptamethyl-3-octyltrisiloxane
Category: cosmetic raw materials
The CAS registry number of 3-OCTYLHEPTAMETHYLTRISILOXANE is 17955-88-3.
Molecular formula C15H38O2Si3, molecular weight 334.72.
It is also registered under: 3-OCTYLHEPTAMETHYLTRISILOXANE, 辛基聚甲基硅氧烷, CAPRYLYL METHICONE, 1,1,1,3,5,5,5-heptamethyl-3-octyltrisiloxane.
Recorded applications: CIR ingredient: Caprylyl Methicone, Other, Household Products: Information on 11 consumer products that contain Caprylyl Methicone in the following categories is provided, • Personal Care, U.S. Production: 2023: 550, Other (requires additional information).
Category: Cosmetic Raw Materials.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for 3-OCTYLHEPTAMETHYLTRISILOXANE (CAS 17955-88-3), compiled from public chemistry databases.
| 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 |
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
| 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.
1,1,1,3,5,5,5-heptamethyl-3-octyltrisiloxane · CAS 17955-88-3 · C15H38O2Si3. UNII Q95M2P1KJL.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 辛基聚甲基硅氧烷