2,3-Dichlorobiphenyl

Also known as: 1,1'-Biphenyl, 2,3-dichloro-, 2,3-Dichloro-1,1'-biphenyl, 2,3-PCB, PCB No 5, BZ NO 5, Biphenyl, 2,3-dichloro-, MFCD00055244, EINECS 215-648-1, BALLSCHMITER NO 5

2,3-Dichlorobiphenyl (CAS 16605-91-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H8Cl2 and a molecular weight of 223.09800 g/mol. Key properties include a boiling point of 307.8ºC at 760 mmHg, a density of 1.249g/cm3 and a flash point of 137.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 16605-91-7
Jingsj CID: J-1171-2
Molecular Formula: C₁₂H₈Cl₂
Molecular Weight: 223.09800 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	307.8ºC at 760 mmHg
Density	1.249g/cm3
Flash Point	137.1ºC
Exact Mass	222.00000
LogP	4.66040
Vapor Pressure	0.00129mmHg at 25°C
Refractive Index	1.594

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-Dichlorobiphenyl?

The CAS number of 2,3-Dichlorobiphenyl is 16605-91-7.

What are the molecular formula and molecular weight of 2,3-Dichlorobiphenyl?

2,3-Dichlorobiphenyl has molecular formula C12H8Cl2 and molecular weight 223.09800 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-Dichlorobiphenyl (CAS 16605-91-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1171-2 (accessed 2026-11-09).

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