chlorodimethyl(octadecyl)silane
二甲基十八烷基氯硅烷
Also known as: Chlorodimethyloctadecylsilane, Dimethyloctadecylchlorosilane, Octadecyldimethylchlorosilane, Stearyldimethylchlorosilane, Chloro(dimethyl)octadecylsilane, Dimethyloctadecylsilyl chloride, n-Octadecyldimethylchlorosilane, Silane, chlorodimethyloctadecyl-, Chlorodimethyl-n-octadecylsilane
chlorodimethyl(octadecyl)silane (CAS 18643-08-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C20H43ClSi and a molecular weight of 347.094 g/mol. It is also known as Chlorodimethyloctadecylsilane, Dimethyloctadecylchlorosilane and Octadecyldimethylchlorosilane. Key properties include a melting point of 28-31 °C, a boiling point of 395.7±11.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 209.6±8.8 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 18643-08-8
- Jingsj CID
- J-9241-6
- Molecular Formula
- C20H43ClSi
- Chinese Name
- 二甲基十八烷基氯硅烷
- Molecular Weight
- 347.094 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 28-31 °C |
|---|---|
| Boiling Point | 395.7±11.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 209.6±8.8 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of chlorodimethyl(octadecyl)silane?
The CAS number of chlorodimethyl(octadecyl)silane is 18643-08-8.
What are the molecular formula and molecular weight of chlorodimethyl(octadecyl)silane?
chlorodimethyl(octadecyl)silane has molecular formula C20H43ClSi and molecular weight 347.094 g/mol.
Is chlorodimethyl(octadecyl)silane hazardous?
chlorodimethyl(octadecyl)silane has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "chlorodimethyl(octadecyl)silane (CAS 18643-08-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9241-6 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.