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2-Chloro-4-(methylsulfonyl)phenol

2-氯-4-(甲基磺酰基)苯酚

Also known as: 2-Chlor-4-methansulfonyl-phenol, 2-Chlor-4-methylsulfon-phenol, 2-chloro-4-methanesulfonylphenol, 2-chloro-4-methylsulfonylphenol, 3-Chlor-4-hydroxy-1-methylsulfon-benzol, 3-Chloro-4-hydroxyphenyl methyl sulfone, Phenol, 2-chloro-4-(methylsulfonyl)-

2-Chloro-4-(methylsulfonyl)phenol (CAS 20945-65-7) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C7H7ClO3S and a molecular weight of 206.64700 g/mol. It is also known as 2-Chlor-4-methansulfonyl-phenol, 2-Chlor-4-methylsulfon-phenol and 2-chloro-4-methanesulfonylphenol. Key properties include a boiling point of 390.371ºC at 760 mmHg, a density of 1.459g/cm3 and a flash point of 189.89ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
20945-65-7
Jingsj CID
J-1357885-7
Molecular Formula
C7H7ClO3S
Chinese Name
2-氯-4-(甲基磺酰基)苯酚
Molecular Weight
206.64700 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point390.371ºC at 760 mmHg
Density1.459g/cm3
Flash Point189.89ºC

Frequently Asked Questions

What is the CAS number of 2-Chloro-4-(methylsulfonyl)phenol?

The CAS number of 2-Chloro-4-(methylsulfonyl)phenol is 20945-65-7.

What are the molecular formula and molecular weight of 2-Chloro-4-(methylsulfonyl)phenol?

2-Chloro-4-(methylsulfonyl)phenol has molecular formula C7H7ClO3S and molecular weight 206.64700 g/mol.

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

Last updated:

How to cite: Jingsj. "2-Chloro-4-(methylsulfonyl)phenol (CAS 20945-65-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1357885-7 (accessed 2026-10-22).

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