Ethylmethyldichlorosilane
Also known as: Dichloro(ethyl)methylsilane, Dichloroethylmethylsilane, Ethyldichloromethylsilane, Methylethyldichlorosilane, Dichloroethylmethyl-silan
Ethylmethyldichlorosilane (CAS 4525-44-4) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C3H8Cl2Si and a molecular weight of 143.087 g/mol. Key properties include a melting point of 8°C, a boiling point of 104.2±8.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 5.0±16.0 °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.
- 4525-44-4
- Jingsj CID
- J-9782-5
- Molecular Formula
- C3H8Cl2Si
- Molecular Weight
- 143.087 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 8°C |
|---|---|
| Boiling Point | 104.2±8.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 5.0±16.0 °C |
| Exact Mass | 141.977234 |
| LogP | 3.71 |
| Vapor Pressure | 36.2±0.2 mmHg at 25°C |
| Refractive Index | 1.417 |
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 Ethylmethyldichlorosilane?
The CAS number of Ethylmethyldichlorosilane is 4525-44-4.
What are the molecular formula and molecular weight of Ethylmethyldichlorosilane?
Ethylmethyldichlorosilane has molecular formula C3H8Cl2Si and molecular weight 143.087 g/mol.
Is Ethylmethyldichlorosilane hazardous?
Ethylmethyldichlorosilane 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 Ethylmethyldichlorosilane?
For Ethylmethyldichlorosilane, Upstream Products: Trichloro(ethyl)silane, Dichlorodimethylsilane, Dichloromethylvinylsilane; Downstream Products: 1,3,5-Triethyl-1,3,5-trimethylcyclotrisiloxane, 3-Ethyl-1,1,1,3,5,5,5-heptamethyltrisiloxane, Dichloro(2-chloroethyl)methylsilane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethylmethyldichlorosilane (CAS 4525-44-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9782-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.