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

Also known as: PCB-153, 2,2',4,4',5,5'-PCB, 2,4,5,2',4',5'-Hexachlorobiphenyl, 1,1'-Biphenyl, 2,2',4,4',5,5'-hexachloro-, BZ No. 153, Ballschmiter No. 153, CB-153, HCBP, PCB 153

2,2',4,4',5,5'-Hexachlorobiphenyl (CAS 35065-27-1) 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 103-104ºC, a boiling point of 396.2±37.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 193.2±23.9 °C. It is classified under GHS with signal word Warning and hazard statements H373 — May cause damage to organs through prolonged exposure and H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
35065-27-1
Jingsj CID
J-1323709-7
Molecular Formula
C12H4Cl6
Molecular Weight
360.878 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point103-104ºC
Boiling Point396.2±37.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point193.2±23.9 °C
Exact Mass357.844421
LogP6.83
Vapor Pressure0.0±0.9 mmHg at 25°C
Refractive Index1.627
Storage Conditions2-8°C
StabilityThermally stable and resistant to both oxidation and biological degradation.

GHS Safety & Compliance

Health Hazard / Environmental HazardSignal word: Warning
  • H373 — May cause damage to organs through prolonged exposure
  • H410 — Very toxic to aquatic life with long lasting effects

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 2,2',4,4',5,5'-Hexachlorobiphenyl?

The CAS number of 2,2',4,4',5,5'-Hexachlorobiphenyl is 35065-27-1.

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

2,2',4,4',5,5'-Hexachlorobiphenyl has molecular formula C12H4Cl6 and molecular weight 360.878 g/mol.

Is 2,2',4,4',5,5'-Hexachlorobiphenyl hazardous?

2,2',4,4',5,5'-Hexachlorobiphenyl has GHS signal word Warning and hazard statements H373 — May cause damage to organs through prolonged exposure; H410 — Very toxic to aquatic life with long lasting effects.

What are the upstream and downstream products of 2,2',4,4',5,5'-Hexachlorobiphenyl?

For 2,2',4,4',5,5'-Hexachlorobiphenyl, Upstream Products: Bromobenzene, 1,2,4,5-Tetrachlorobenzene, 1,2,4-Trichloro-5-iodobenzene; Downstream Products: 2,2',3,3',4,4',5,5'-Octachlorobiphenyl, 2,3,7,8-Tetrachlorodibenzofuran, Biphenyl.

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

Last updated:

How to cite: Jingsj. "2,2',4,4',5,5'-Hexachlorobiphenyl (CAS 35065-27-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1323709-7 (accessed 2026-11-09).

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