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2-Chloro-1-methyl-4-(methylsulfonyl)benzene

Also known as: 2-CHLORO-1-METHYL-(4-METHYLSULFONYL) BENZENE, 2-Chlor-4-(methylsulfonyl)toluol, 2-Chloro-1-Methyl-4-(Metylsulfonyl)-benzene, 2-Chloro-4-(methylsulfonyl)toluene, 2-Chloro-4-Methylsulfonyl benzene, 2-chloro-4-methylsulfonyl benzene, 2-chloro-1-methyl-4-methylsulfonylbenzene, 2-chloro-4-methanesulfonyl-1-methylbenzene, 2-chloro-4-methanesulfonyltoluene, 2-chloro-4-methylsulphonyltoluene, 3-Chloro-4-methylphenyl methyl sulfone, 3-Chloro-4-methylphenyl methyl sulphone, 4-methylsulfonyl-1-methyl-2-chlorobenzene, Benzene, 2-chloro-1-methyl-4-(methylsulfonyl)-, methyl 3-chloro-4-methylphenyl sulfone

2-Chloro-1-methyl-4-(methylsulfonyl)benzene (CAS 1671-18-7) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C8H9ClO2S and a molecular weight of 204.674 g/mol. Key properties include a boiling point of 351.0±42.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 166.1±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1671-18-7
Jingsj CID
J-1510618-0
Molecular Formula
C8H9ClO2S
Molecular Weight
204.674 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point351.0±42.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point166.1±27.9 °C
Exact Mass204.001175
PSA42.52000
LogP1.92
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.535

Customs & Trade Information

HS Code2904909090
SummaryHS:2904909090 sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated 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-Chloro-1-methyl-4-(methylsulfonyl)benzene?

The CAS number of 2-Chloro-1-methyl-4-(methylsulfonyl)benzene is 1671-18-7.

What are the molecular formula and molecular weight of 2-Chloro-1-methyl-4-(methylsulfonyl)benzene?

2-Chloro-1-methyl-4-(methylsulfonyl)benzene has molecular formula C8H9ClO2S and molecular weight 204.674 g/mol.

What are the upstream and downstream products of 2-Chloro-1-methyl-4-(methylsulfonyl)benzene?

For 2-Chloro-1-methyl-4-(methylsulfonyl)benzene, Upstream Products: 1-Methyl-4-(methylsulfonyl)benzene, 2,4-Dichlorotoluene; Downstream Products: 2-Chloro-4-(methylsulfonyl)benzaldehyde.

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-Chloro-1-methyl-4-(methylsulfonyl)benzene (CAS 1671-18-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1510618-0 (accessed 2026-11-09).

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