2,3,4,4',5-Pentachlorobiphenyl

2,3,4,4',5-五氯联苯

Also known as: PCB 114, CB-114, BZ NO 114, 1,1'-Biphenyl,2,3,4,4',5-pentachloro-, 1,2,3,4-tetrachloro-5-(4-chlorophenyl)benzene

2,3,4,4',5-Pentachlorobiphenyl (CAS 74472-37-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H5Cl5 and a molecular weight of 326.43300 g/mol. It is also known as PCB 114, CB-114 and BZ NO 114. Key properties include a melting point of 99°C, a boiling point of 388.4ºC at 760 mmHg, a density of 1.522 g/cm3 and a flash point of 190.7ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
74472-37-0
Jingsj CID
J-1325712-1
Molecular Formula
C12H5Cl5
Chinese Name
2,3,4,4',5-五氯联苯
Molecular Weight
326.43300 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point99°C
Boiling Point388.4ºC at 760 mmHg
Density1.522 g/cm3
Flash Point190.7ºC

GHS Safety & Compliance

Health Hazard / Environmental HazardSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2,3,4,4',5-Pentachlorobiphenyl?

The CAS number of 2,3,4,4',5-Pentachlorobiphenyl is 74472-37-0.

What are the molecular formula and molecular weight of 2,3,4,4',5-Pentachlorobiphenyl?

2,3,4,4',5-Pentachlorobiphenyl has molecular formula C12H5Cl5 and molecular weight 326.43300 g/mol.

Is 2,3,4,4',5-Pentachlorobiphenyl hazardous?

2,3,4,4',5-Pentachlorobiphenyl 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. "2,3,4,4',5-Pentachlorobiphenyl (CAS 74472-37-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1325712-1 (accessed 2026-10-25).

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