2-Chloro-4-(methylsulfonyl)phenol

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. 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-1357885-3
Molecular Formula: C₇H₇ClO₃S
Molecular Weight: 206.64700 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	390.371ºC at 760 mmHg
Density	1.459g/cm3
Flash Point	189.89ºC
Exact Mass	205.98000
PSA	62.75000
LogP	2.52990
Vapor Pressure	0mmHg at 25°C
Refractive Index	1.571

Customs & Trade Information

HS Code	2908999090
Summary	2908999090 halogenated, sulphonated, nitrated or nitrosated derivatives of phenols or phenol-alcohols。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

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 such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "2-Chloro-4-(methylsulfonyl)phenol (CAS 20945-65-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1357885-3 (accessed 2026-11-09).

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