1,4-Dichloro-2-butene
Also known as: 1,4-Dichlorobut-2-ene, 2-Butylene dichloride, 1,4-Dichloro-2-butene (cis- and trans- mixture), 1,4-Dichloro-2-butene (mixture of cis and trans), Dichlorobutene, 1,4-Dichloro-2-butene (cis+trans)
1,4-Dichloro-2-butene (CAS 764-41-0) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H6Cl2 and a molecular weight of 124.996 g/mol. Key properties include a melting point of 1-3 °C(lit.), a boiling point of 155.5±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 54.4±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 764-41-0
- Jingsj CID
- J-42535-4
- Molecular Formula
- C4H6Cl2
- Molecular Weight
- 124.996 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 1-3 °C(lit.) |
|---|---|
| Boiling Point | 155.5±0.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 54.4±0.0 °C |
| Exact Mass | 123.984657 |
| LogP | 1.97 |
| Vapor Pressure | 3.9±0.2 mmHg at 25°C |
| Refractive Index | 1.459 |
Frequently Asked Questions
What is the CAS number of 1,4-Dichloro-2-butene?
The CAS number of 1,4-Dichloro-2-butene is 764-41-0.
What are the molecular formula and molecular weight of 1,4-Dichloro-2-butene?
1,4-Dichloro-2-butene has molecular formula C4H6Cl2 and molecular weight 124.996 g/mol.
What are the upstream and downstream products of 1,4-Dichloro-2-butene?
For 1,4-Dichloro-2-butene, Upstream Products: trans-2-Butene-1,4-diol, butadiene, Allyl chloride; Downstream Products: N-Butylmethyldichlorosilane, 2-Butene, 1,4-bis(2-propen-1-yloxy)-, 1-buten-3-yne.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,4-Dichloro-2-butene (CAS 764-41-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42535-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.