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trans-1,2-Dichloroethylene

Also known as: trans-1,2-Dichloroethene, (E)-1,2-dichloroethene, trans-Acetylene dichloride, trans-Dichloroethylene, 1,2-trans-dichloroethene, 1,2-trans-dichloroethylene, E-1,2-dichloroethene, trans-1,2-DCE, MFCD00062942, EINECS 205-860-2

trans-1,2-Dichloroethylene (CAS 156-60-5) 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 96.943 g/mol. Key properties include a melting point of -57ºC(lit.), a boiling point of 47.7±0.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 6.1±0.0 °C. 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.
156-60-5
Jingsj CID
J-1373790-1
Molecular Formula
C2H2Cl2
Molecular Weight
96.943 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-57ºC(lit.)
Boiling Point47.7±0.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point6.1±0.0 °C
Exact Mass95.953354
LogP1.75
Vapor Pressure333.1±0.0 mmHg at 25°C
Refractive Index1.453

GHS Safety & Compliance

Flammable / IrritantSignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H332 — Harmful if inhaled
  • H412 — Harmful to aquatic life with long lasting effects

Customs & Trade Information

HS Code2903299090
Summary2903299090 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 trans-1,2-Dichloroethylene?

The CAS number of trans-1,2-Dichloroethylene is 156-60-5.

What are the molecular formula and molecular weight of trans-1,2-Dichloroethylene?

trans-1,2-Dichloroethylene has molecular formula C2H2Cl2 and molecular weight 96.943 g/mol.

Is trans-1,2-Dichloroethylene hazardous?

trans-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 trans-1,2-Dichloroethylene?

For trans-1,2-Dichloroethylene, Upstream Products: (Z)-1,2-Dichloroethene, 1,1,2,2-Tetrachloroethane, 1,1,2-Trichloroethane; Downstream Products: 1,2-dichloro-1,2-difluoroethane, (Z)-1,2-Dichloroethene, Pentafluoroethane.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "trans-1,2-Dichloroethylene (CAS 156-60-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1373790-1 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.