1,2-dichloroethylene
Also known as: 1,2-dichloroethene, dichloroethylene, acetylene dichloride, cis/trans-1,2-dichloroethene, cis/trans-1,2-dichloroethylene, dioform, residual solvent class 2 - 1,2-dichloroethene
1,2-dichloroethylene (CAS 540-59-0) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C2H2Cl2 and a molecular weight of 96.94330 g/mol. Key properties include a melting point of -57ºC(lit.), a boiling point of 48-60ºC(lit.), a density of 1.243g/cm3 and a flash point of 6.1ºC. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H332 — Harmful if inhaled and H412 — Harmful to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 540-59-0
- Jingsj CID
- J-10317-2
- Molecular Formula
- C2H2Cl2
- Molecular Weight
- 96.94330 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -57ºC(lit.) |
|---|---|
| Boiling Point | 48-60ºC(lit.) |
| Density | 1.243g/cm3 |
| Flash Point | 6.1ºC |
| Exact Mass | 95.95340 |
| LogP | 1.93520 |
| Vapor Pressure | 5.32 psi ( 20 °C) |
| Refractive Index | 1.446-1.449 |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H332 — Harmful if inhaled
- H412 — Harmful to aquatic life with long lasting effects
Customs & Trade Information
| HS Code | 2903299090 |
|---|---|
| Summary | 2903299090 other unsaturated chlorinated derivatives of acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 1,2-dichloroethylene?
The CAS number of 1,2-dichloroethylene is 540-59-0.
What are the molecular formula and molecular weight of 1,2-dichloroethylene?
1,2-dichloroethylene has molecular formula C2H2Cl2 and molecular weight 96.94330 g/mol.
Is 1,2-dichloroethylene hazardous?
1,2-dichloroethylene has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H332 — Harmful if inhaled; H412 — Harmful to aquatic life with long lasting effects.
What are the upstream and downstream products of 1,2-dichloroethylene?
For 1,2-dichloroethylene, Upstream Products: Tetrachloroethylene, 1,1,1,2-Tetrachloroethane, Pentachloroethane; Downstream Products: 1-chloro-2-fluoroethene, 1,2-dichlorofluoroethane, 1,2-dichloro-1,1,2-trifluoroethane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,2-dichloroethylene (CAS 540-59-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10317-2 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.