2,3,3',4,5,5'-Hexachlorobiphenyl

Also known as: PCB 159, BZNO 159, 1,1'-Biphenyl, 2,3,3',4,5,5'-hexachloro-, 1,2,3,4-Tetrachloro-5-(3,5-dichlorophenyl)benzene

2,3,3',4,5,5'-Hexachlorobiphenyl (CAS 39635-35-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H4Cl6 and a molecular weight of 360.87800 g/mol. Key properties include a melting point of 115.76°C (estimate), a boiling point of 418.1ºC at 760mmHg, a density of 1.593g/cm3 and a flash point of 209.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 39635-35-3
Jingsj CID: J-1026925-7
Molecular Formula: C₁₂H₄Cl₆
Molecular Weight: 360.87800 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	115.76°C (estimate)
Boiling Point	418.1ºC at 760mmHg
Density	1.593g/cm3
Flash Point	209.4ºC
Exact Mass	357.84400
LogP	7.27400
Refractive Index	1.626

Customs & Trade Information

HS Code	2903999090
Summary	2903999090 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',4,5,5'-Hexachlorobiphenyl?

The CAS number of 2,3,3',4,5,5'-Hexachlorobiphenyl is 39635-35-3.

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

2,3,3',4,5,5'-Hexachlorobiphenyl has molecular formula C12H4Cl6 and molecular weight 360.87800 g/mol.

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. "2,3,3',4,5,5'-Hexachlorobiphenyl (CAS 39635-35-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1026925-7 (accessed 2026-11-09).

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