2,3,4'-Trichlorobiphenyl

Also known as: 1,2-dichloro-3-(4-chlorophenyl)benzene, PCB 22, PCB No. 22, BZNo 22, 2,3,4'-Trichlorobiphenyl (PCB 22)

2,3,4'-Trichlorobiphenyl (CAS 38444-85-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H7Cl3 and a molecular weight of 257.54300 g/mol. Key properties include a melting point of 73°C, a boiling point of 335.6ºC at 760 mmHg, a density of 1.351 g/cm3 and a flash point of 230.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 38444-85-8
Jingsj CID: J-977784-8
Molecular Formula: C₁₂H₇Cl₃
Molecular Weight: 257.54300 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	73°C
Boiling Point	335.6ºC at 760 mmHg
Density	1.351 g/cm3
Flash Point	230.7ºC
Exact Mass	255.96100
LogP	5.31380
Refractive Index	1.603

Customs & Trade Information

HS Code	2903999010
Summary	2903999010 2,3,3',4,5,6-hexachloro-1,1'-biphenyl。supervision conditions:89(articles on the list of prohibited export goods,articles on the list of prohibited import goods)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:5.5%。general tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2,3,4'-Trichlorobiphenyl?

The CAS number of 2,3,4'-Trichlorobiphenyl is 38444-85-8.

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

2,3,4'-Trichlorobiphenyl has molecular formula C12H7Cl3 and molecular weight 257.54300 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. "2,3,4'-Trichlorobiphenyl (CAS 38444-85-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-977784-8 (accessed 2026-11-09).

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