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2,2'-Dichlorobiphenyl

Also known as: 2,2'-DCBP, 2,2'-PCB, PCB 4, BZ No 4, Ballschmiter No 4, 1-chloro-2-(2-chlorophenyl)benzene

2,2'-Dichlorobiphenyl (CAS 13029-08-8) 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 223.09800 g/mol. Key properties include a melting point of 79-80℃ (hexane ), a boiling point of 289.1ºC at 760mmHg, a density of 1.249g/cm3 and a flash point of 122.4ºC. 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.
13029-08-8
Jingsj CID
J-1992889-3
Molecular Formula
C12H8Cl2
Molecular Weight
223.09800 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026
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Physicochemical Properties

Melting Point79-80℃ (hexane )
Boiling Point289.1ºC at 760mmHg
Density1.249g/cm3
Flash Point122.4ºC
Exact Mass222.00000
LogP4.66040
Vapor Pressure0.00389mmHg at 25°C
Refractive Index1.594

GHS Safety & Compliance

Health Hazard / Environmental HazardSignal word: Warning
  • H373 — May cause damage to organs through prolonged exposure
  • H410 — Very toxic to aquatic life with long lasting effects

Frequently Asked Questions

What is the CAS number of 2,2'-Dichlorobiphenyl?

The CAS number of 2,2'-Dichlorobiphenyl is 13029-08-8.

What are the molecular formula and molecular weight of 2,2'-Dichlorobiphenyl?

2,2'-Dichlorobiphenyl has molecular formula C12H8Cl2 and molecular weight 223.09800 g/mol.

Is 2,2'-Dichlorobiphenyl hazardous?

2,2'-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. "2,2'-Dichlorobiphenyl (CAS 13029-08-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1992889-3 (accessed 2026-11-09).

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