1,2-dichloro-4-ethenylbenzene
3,4-二氯苯乙烯
Also known as: 3,4-Dichlorostyrene, 1,2-Dichloro-4-vinylbenzene, 1,2-dichloro-4-ethenyl-benzene, 3,4-Dichlorostyrol, 3,4-Dichlorostyrolene, 3,4-dichlorophenylethylene, Benzene, 1,2-dichloro-4-ethenyl-, Styrene, 3,4-dichloro-
1,2-dichloro-4-ethenylbenzene (CAS 2039-83-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H6Cl2 and a molecular weight of 173.039 g/mol. It is also known as 3,4-Dichlorostyrene, 1,2-Dichloro-4-vinylbenzene and 1,2-dichloro-4-ethenyl-benzene. Key properties include a boiling point of 238.9±28.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 101.7±17.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2039-83-0
- Jingsj CID
- J-22314-2
- Molecular Formula
- C8H6Cl2
- Chinese Name
- 3,4-二氯苯乙烯
- Molecular Weight
- 173.039 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 238.9±28.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 101.7±17.5 °C |
Frequently Asked Questions
What is the CAS number of 1,2-dichloro-4-ethenylbenzene?
The CAS number of 1,2-dichloro-4-ethenylbenzene is 2039-83-0.
What are the molecular formula and molecular weight of 1,2-dichloro-4-ethenylbenzene?
1,2-dichloro-4-ethenylbenzene has molecular formula C8H6Cl2 and molecular weight 173.039 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,2-dichloro-4-ethenylbenzene (CAS 2039-83-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-22314-2 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.