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

Also known as: PCB No. 169, PCB-169, 1,1'-Biphenyl, 3,3',4,4',5,5'-hexachloro-, 3,3',4,4',5,5'-PCB, HXCB169, BZ-169, BZNO 169, CB-169

3,3',4,4',5,5'-Hexachlorobiphenyl (CAS 32774-16-6) 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 360.878 g/mol. Key properties include a melting point of 202°C, a boiling point of 436.6±40.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 223.1±24.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
32774-16-6
Jingsj CID
J-1326485-2
Molecular Formula
C12H4Cl6
Molecular Weight
360.878 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point202°C
Boiling Point436.6±40.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point223.1±24.7 °C
Exact Mass357.844421
LogP6.90
Vapor Pressure0.0±1.0 mmHg at 25°C
Refractive Index1.627

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 3,3',4,4',5,5'-Hexachlorobiphenyl?

The CAS number of 3,3',4,4',5,5'-Hexachlorobiphenyl is 32774-16-6.

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

3,3',4,4',5,5'-Hexachlorobiphenyl has molecular formula C12H4Cl6 and molecular weight 360.878 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. "3,3',4,4',5,5'-Hexachlorobiphenyl (CAS 32774-16-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1326485-2 (accessed 2026-11-09).

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