2,4,4'-Trichlorobiphenyl

2,4,4'-三氯联苯

Also known as: 2,4,4'-Trichloro-1,1'-biphenyl, PCB 28, PCB No. 28, PCB-28, 2,4,4'-Trichlorobiphenyl

CAS No.
7012-37-5
Jingsj CID
J-1264-3
Molecular Formula
C12H7Cl3
Chinese Name
2,4,4'-三氯联苯
Molecular Weight
257.54300 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point206-207℃
Boiling Point330.3ºC at 760 mmHg
Density1.351g/cm3
Flash Point100ºC

GHS Safety & Compliance

Flammable / Irritant / Health Hazard / Environmental HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of 2,4,4'-Trichlorobiphenyl?

7012-37-5

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

C12H7Cl3, molecular weight 257.54300 g/mol

Is 2,4,4'-Trichlorobiphenyl hazardous?

Danger

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026