octadecyltrichlorosilane
Also known as: n-Octadecyltrichlorosilane, Trichlorooctadecylsilane, Stearyltrichlorosilane, Trichloro(octadecyl)silane, Trichlorostearylsilane, Octadecyltrichlorosilane, Silane, trichlorooctadecyl-, Silane, octadecyltrichloro-, Trichlorosilyloctadecane, n-Octadecyl Trichlorosilane, n-octadecyltrichlorsilane, ODTS, MFCD00000484, EINECS 203-930-7
octadecyltrichlorosilane (CAS 112-04-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C18H37Cl3Si and a molecular weight of 387.931 g/mol. Key properties include a melting point of 22°C, a boiling point of 361.8±5.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 182.2±12.3 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 112-04-9
- Jingsj CID
- J-20149-6
- Molecular Formula
- C18H37Cl3Si
- Molecular Weight
- 387.931 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 22°C |
|---|---|
| Boiling Point | 361.8±5.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 182.2±12.3 °C |
| Exact Mass | 386.173004 |
| LogP | 13.22 |
| Additional Property | >1 (vs air) |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.462 |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 2931900090 |
|---|---|
| Summary | 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of octadecyltrichlorosilane?
The CAS number of octadecyltrichlorosilane is 112-04-9.
What are the molecular formula and molecular weight of octadecyltrichlorosilane?
octadecyltrichlorosilane has molecular formula C18H37Cl3Si and molecular weight 387.931 g/mol.
Is octadecyltrichlorosilane hazardous?
octadecyltrichlorosilane has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of octadecyltrichlorosilane?
For octadecyltrichlorosilane, Upstream Products: 1-Chlorooctadecane, Octadec-1-ene, Trichlorosilane; Downstream Products: Octadecyltrimethoxysilane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "octadecyltrichlorosilane (CAS 112-04-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20149-6 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.