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2,2',6-Trichlorobiphenyl

Also known as: 1,1'-Biphenyl, 2,2',6-trichloro-, 1,3-dichloro-2-(2-chlorophenyl)benzene, PCB 19, BZNO 19, PCB NO 19

2,2',6-Trichlorobiphenyl (CAS 38444-73-4) 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 63.91°C (estimate), a boiling point of 303.1ºC at 760 mmHg, a density of 1.351 g/cm3 and a flash point of 204.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
38444-73-4
Jingsj CID
J-1992868-8
Molecular Formula
C12H7Cl3
Molecular Weight
257.54300 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point63.91°C (estimate)
Boiling Point303.1ºC at 760 mmHg
Density1.351 g/cm3
Flash Point204.2ºC
Exact Mass255.96100
LogP5.31380
Refractive Index1.603

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',6-Trichlorobiphenyl?

The CAS number of 2,2',6-Trichlorobiphenyl is 38444-73-4.

What are the molecular formula and molecular weight of 2,2',6-Trichlorobiphenyl?

2,2',6-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:

How to cite: Jingsj. "2,2',6-Trichlorobiphenyl (CAS 38444-73-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1992868-8 (accessed 2026-11-09).

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