Allyldimethylchlorosilane
Also known as: Allyl(chloro)dimethylsilane, Allylchlorodimethylsilane, Chlorodimethylallylsilane, Dimethylallylchlorosilane, ADMCS, 2-Propenylchlorodimethylsilane, 3-(Dimethylchlorosilyl)-1-propene, Allyldimethylsilyl Chloride, Chloroallyldimethylsilane, Silane, chlorodimethyl-2-propen-1-yl-
Allyldimethylchlorosilane (CAS 4028-23-3) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C5H11ClSi and a molecular weight of 134.679 g/mol. Key properties include a boiling point of 114.5±9.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 5.6±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour and 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.
- 4028-23-3
- Jingsj CID
- J-6752-7
- Molecular Formula
- C5H11ClSi
- Molecular Weight
- 134.679 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 114.5±9.0 °C at 760 mmHg |
|---|---|
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 5.6±0.0 °C |
| Exact Mass | 134.031860 |
| LogP | 3.00 |
| Vapor Pressure | 23.6±0.2 mmHg at 25°C |
| Refractive Index | 1.416 |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- 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 Allyldimethylchlorosilane?
The CAS number of Allyldimethylchlorosilane is 4028-23-3.
What are the molecular formula and molecular weight of Allyldimethylchlorosilane?
Allyldimethylchlorosilane has molecular formula C5H11ClSi and molecular weight 134.679 g/mol.
Is Allyldimethylchlorosilane hazardous?
Allyldimethylchlorosilane has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of Allyldimethylchlorosilane?
For Allyldimethylchlorosilane, Upstream Products: Allylmagnesium chloride, Dichlorodimethylsilane, Allyl bromide; Downstream Products: Chlorodiphenylmethane, 1,3-Diallyltetramethyldisiloxane, chloro-[3-[chloro(dimethyl)silyl]propyl]-dimethylsilane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Allyldimethylchlorosilane (CAS 4028-23-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6752-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.