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2',3,4-Trichlorobiphenyl

Also known as: PCB No. 33, 2',3,4-Trichlorobiphenyl, PCB 33, 2,3',4'-Trichlorobiphenyl, 3,4,2'-Trichlorobiphenyl, 1,1'-Biphenyl, 2',3,4-trichloro-

2',3,4-Trichlorobiphenyl (CAS 38444-86-9) 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 257.543 g/mol. Key properties include a melting point of 65-66℃, a boiling point of 335.6±27.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 230.7±19.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
38444-86-9
Jingsj CID
J-977759-7
Molecular Formula
C12H7Cl3
Molecular Weight
257.543 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point65-66℃
Boiling Point335.6±27.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point230.7±19.3 °C
Exact Mass255.961334
LogP5.47
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.604

Customs & Trade Information

HS Code2903999010
Summary2903999010 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 38444-86-9.

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

2',3,4-Trichlorobiphenyl has molecular formula C12H7Cl3 and molecular weight 257.543 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. "2',3,4-Trichlorobiphenyl (CAS 38444-86-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-977759-7 (accessed 2026-11-09).

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