2,4-Dichlorobiphenyl
Also known as: PCB 7, 2,4-PCB, BZ NO 7, BALLSCHMITER NO 7, PCB NO 7, 2,4-Dichloro-1,1'-biphenyl, 2,4-Dichloro-1-phenylbenzene, 1,1'-Biphenyl, 2,4-dichloro-, 1,1'-Biphenyl,2,4-dichloro
2,4-Dichlorobiphenyl (CAS 33284-50-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H8Cl2 and a molecular weight of 223.098 g/mol. Key properties include a melting point of 24.3°C, a boiling point of 302.3±22.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 132.8±15.9 °C. It is classified under GHS with signal word Warning and hazard statements H373 — May cause damage to organs through prolonged exposure and H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 33284-50-3
- Jingsj CID
- J-977774-6
- Molecular Formula
- C12H8Cl2
- Molecular Weight
- 223.098 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 24.3°C |
|---|---|
| Boiling Point | 302.3±22.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 132.8±15.9 °C |
| Exact Mass | 222.000305 |
| LogP | 5.04 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.594 |
GHS Safety & Compliance
- H373 — May cause damage to organs through prolonged exposure
- H410 — Very toxic to aquatic life with long lasting effects
Customs & Trade Information
| HS Code | 2903999010 |
|---|---|
| Summary | 2903999010 2,3,3',4,5,6-hexachloro-1,1'-biphenyl。supervision conditions:89(articles on the list of prohibited export goods,articles on the list of prohibited import goods)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:5.5%。general tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2,4-Dichlorobiphenyl?
The CAS number of 2,4-Dichlorobiphenyl is 33284-50-3.
What are the molecular formula and molecular weight of 2,4-Dichlorobiphenyl?
2,4-Dichlorobiphenyl has molecular formula C12H8Cl2 and molecular weight 223.098 g/mol.
Is 2,4-Dichlorobiphenyl hazardous?
2,4-Dichlorobiphenyl has GHS signal word Warning and hazard statements H373 — May cause damage to organs through prolonged exposure; H410 — Very toxic to aquatic life with long lasting effects.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,4-Dichlorobiphenyl (CAS 33284-50-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-977774-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.