1,2-Dichloro-3-iodobenzene

1,2-二氯-3-碘代苯

Also known as: 2,3-Dichloroiodobenzene, 2,3-Dichloro-1-iodobenzene, 1-Iodo-2,3-dichlorobenzene, Benzene, 1,2-dichloro-3-iodo-, MFCD00001034, EINECS 219-276-0

1,2-Dichloro-3-iodobenzene (CAS 2401-21-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H3Cl2I and a molecular weight of 272.898 g/mol. It is also known as 2,3-Dichloroiodobenzene, 2,3-Dichloro-1-iodobenzene and 1-Iodo-2,3-dichlorobenzene. Key properties include a melting point of 35-36 °C(lit.), a boiling point of 242.1±0.0 °C at 760 mmHg, a density of 2.0±0.1 g/cm3 and a flash point of 114.6±21.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2401-21-0
Jingsj CID
J-1993138-4
Molecular Formula
C6H3Cl2I
Chinese Name
1,2-二氯-3-碘代苯
Molecular Weight
272.898 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point35-36 °C(lit.)
Boiling Point242.1±0.0 °C at 760 mmHg
Density2.0±0.1 g/cm3
Flash Point114.6±21.8 °C

Frequently Asked Questions

What is the CAS number of 1,2-Dichloro-3-iodobenzene?

The CAS number of 1,2-Dichloro-3-iodobenzene is 2401-21-0.

What are the molecular formula and molecular weight of 1,2-Dichloro-3-iodobenzene?

1,2-Dichloro-3-iodobenzene has molecular formula C6H3Cl2I and molecular weight 272.898 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-3-iodobenzene (CAS 2401-21-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993138-4 (accessed 2026-10-22).

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