2,3,4,5,6,3',5'-Heptachlorobiphenyl

Also known as: 1,2,3,4,5-Pentachloro-6-(3,5-dichlorophenyl)benzene, 2,3,3',4,5,5',6-Heptachlorobiphenyl

2,3,4,5,6,3',5'-Heptachlorobiphenyl (CAS 74472-51-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H3Cl7 and a molecular weight of 395.32300 g/mol. Key properties include a melting point of 131.31°C (estimate), a boiling point of 479.43°C (rough estimate) and a density of 1.6580 (rough estimate). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 74472-51-8
Jingsj CID: J-1108090-3
Molecular Formula: C₁₂H₃Cl₇
Molecular Weight: 395.32300 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	131.31°C (estimate)
Boiling Point	479.43°C (rough estimate)
Density	1.6580 (rough estimate)
Exact Mass	391.80500
LogP	7.92740
Refractive Index	1.6330 (rough estimate)

Frequently Asked Questions

What is the CAS number of 2,3,4,5,6,3',5'-Heptachlorobiphenyl?

The CAS number of 2,3,4,5,6,3',5'-Heptachlorobiphenyl is 74472-51-8.

What are the molecular formula and molecular weight of 2,3,4,5,6,3',5'-Heptachlorobiphenyl?

2,3,4,5,6,3',5'-Heptachlorobiphenyl has molecular formula C12H3Cl7 and molecular weight 395.32300 g/mol.

What are the upstream and downstream products of 2,3,4,5,6,3',5'-Heptachlorobiphenyl?

For 2,3,4,5,6,3',5'-Heptachlorobiphenyl, Upstream Products: 1,2,3,4,5-pentachloro-6-iodobenzene, 3,5-Dichloroiodobenzene, Pentachlorobenzene.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2,3,4,5,6,3',5'-Heptachlorobiphenyl (CAS 74472-51-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1108090-3 (accessed 2026-11-09).

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