1-(2-Chlorophenyl)-2-nitroethylene

1-(2-氯苯基)-2-硝基乙烯

Also known as: 2-Chloro-beta-nitrostyrene, trans-2-Chloro-beta-nitrostyrene, 2-Chloro-ω-nitrostyrene, 1-Chloro-2-(2-nitrovinyl)benzene, 1-Chloro-2-[(E)-2-nitroethenyl]benzene, β-Nitro-2-chlorostyrene, 2'-Chloro-beta-nitrostyrene, 2-Chloro-omega-nitrostyrene, 2-Chloro-á-nitrostyrene, d2-Chloro-omega-nitrostyrene, 2-Chloronitrostyrene, MFCD00024820

1-(2-Chlorophenyl)-2-nitroethylene (CAS 3156-34-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H6ClNO2 and a molecular weight of 183.59200 g/mol. It is also known as 2-Chloro-beta-nitrostyrene, trans-2-Chloro-beta-nitrostyrene and 2-Chloro-ω-nitrostyrene. Key properties include a melting point of 45-49 °C(lit.), a boiling point of 295.3ºC at 760 mmHg, a density of 1.324 g/cm3 and a flash point of >230 °F. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3156-34-1
Jingsj CID
J-28381-2
Molecular Formula
C8H6ClNO2
Chinese Name
1-(2-氯苯基)-2-硝基乙烯
Molecular Weight
183.59200 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point45-49 °C(lit.)
Boiling Point295.3ºC at 760 mmHg
Density1.324 g/cm3
Flash Point>230 °F

GHS Safety & Compliance

Irritant / Environmental HazardSignal word: Warning

Frequently Asked Questions

What is the CAS number of 1-(2-Chlorophenyl)-2-nitroethylene?

The CAS number of 1-(2-Chlorophenyl)-2-nitroethylene is 3156-34-1.

What are the molecular formula and molecular weight of 1-(2-Chlorophenyl)-2-nitroethylene?

1-(2-Chlorophenyl)-2-nitroethylene has molecular formula C8H6ClNO2 and molecular weight 183.59200 g/mol.

Is 1-(2-Chlorophenyl)-2-nitroethylene hazardous?

1-(2-Chlorophenyl)-2-nitroethylene has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "1-(2-Chlorophenyl)-2-nitroethylene (CAS 3156-34-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28381-2 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.