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

Also known as: 2,3,3',4',5-Pentachlorobiphenyl, PCB 122, PCB No. 122, BZNO 122, CB-122

2,3,3',4',5-Pentachlorobiphenyl (CAS 76842-07-4) 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. Key properties include a melting point of 95.86°C (estimate), a boiling point of 395.3ºC at 760 mmHg, a density of 1.522g/cm3 and a flash point of 195.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
76842-07-4
Jingsj CID
J-1027043-6
Molecular Formula
C12H5Cl5
Molecular Weight
326.43300 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point95.86°C (estimate)
Boiling Point395.3ºC at 760 mmHg
Density1.522g/cm3
Flash Point195.9ºC
Exact Mass323.88300
LogP6.62060
Refractive Index1.619

Customs & Trade Information

HS Code2903999090
Summary2903999090 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 2,3,3',4',5-Pentachlorobiphenyl?

The CAS number of 2,3,3',4',5-Pentachlorobiphenyl is 76842-07-4.

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

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

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "2,3,3',4',5-Pentachlorobiphenyl (CAS 76842-07-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1027043-6 (accessed 2026-11-09).

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