1,2-Dichloro-3-iodobenzene
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. 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-1993138-5
- Molecular Formula
- C6H3Cl2I
- Molecular Weight
- 272.898 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 35-36 °C(lit.) |
|---|---|
| Boiling Point | 242.1±0.0 °C at 760 mmHg |
| Density | 2.0±0.1 g/cm3 |
| Flash Point | 114.6±21.8 °C |
| Exact Mass | 271.865631 |
| LogP | 4.12 |
| Vapor Pressure | 0.1±0.4 mmHg at 25°C |
| Refractive Index | 1.643 |
Customs & Trade Information
| HS Code | 2903999090 |
|---|---|
| Summary | 2903999090 halogenated derivatives of aromatic hydrocarbons VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
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.
What are the upstream and downstream products of 1,2-Dichloro-3-iodobenzene?
For 1,2-Dichloro-3-iodobenzene, Upstream Products: 1,2-Dichlorobenzene, Iodobenzene, 2,3-Dichloroaniline; Downstream Products: 2,2',3,3',5,6-Hexachlorobiphenyl, 2,2',3',4,5-Pentachlorobiphenyl, 2,2',3,6'-Tetrachlorobiphenyl.
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-Dichloro-3-iodobenzene (CAS 2401-21-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993138-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.