3-Methylsulfonyl-2,2',4',5,5'-pentachlorobiphenyl

3-甲基磺酰基-2,2',4',5,5'-五氯联苯

Also known as: 1,1'-Biphenyl, 2,2',4',5,5'-pentachloro-3-(methylsulfonyl)-, 2,2',4',5,5'-Pentachloro-3-(methylsulfonyl)-1,1'-biphenyl, 2,2',4',5,5'-pentachloro-3-(methylsulfonyl)biphenyl, 2,5-dichloro-1-methylsulfonyl-3-(2,4,5-trichlorophenyl)benzene, 3-(Methylsulfonyl)-2,2′,4′,5,5′-pentachlorobiphenyl

3-Methylsulfonyl-2,2',4',5,5'-pentachlorobiphenyl (CAS 66640-60-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C13H7Cl5O2S and a molecular weight of 404.52300 g/mol. It is also known as 1,1'-Biphenyl, 2,2',4',5,5'-pentachloro-3-(methylsulfonyl)-, 2,2',4',5,5'-Pentachloro-3-(methylsulfonyl)-1,1'-biphenyl and 2,2',4',5,5'-pentachloro-3-(methylsulfonyl)biphenyl. Key properties include a boiling point of 527.2ºC at 760 mmHg, a density of 1.578g/cm3 and a flash point of 272.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
66640-60-6
Jingsj CID
J-908729-5
Molecular Formula
C13H7Cl5O2S
Chinese Name
3-甲基磺酰基-2,2',4',5,5'-五氯联苯
Molecular Weight
404.52300 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point527.2ºC at 760 mmHg
Density1.578g/cm3
Flash Point272.7ºC

Frequently Asked Questions

What is the CAS number of 3-Methylsulfonyl-2,2',4',5,5'-pentachlorobiphenyl?

The CAS number of 3-Methylsulfonyl-2,2',4',5,5'-pentachlorobiphenyl is 66640-60-6.

What are the molecular formula and molecular weight of 3-Methylsulfonyl-2,2',4',5,5'-pentachlorobiphenyl?

3-Methylsulfonyl-2,2',4',5,5'-pentachlorobiphenyl has molecular formula C13H7Cl5O2S and molecular weight 404.52300 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "3-Methylsulfonyl-2,2',4',5,5'-pentachlorobiphenyl (CAS 66640-60-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-908729-5 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.