What is MSM?

October 10, 2025

Methylsulfonylmethane (MSM) is an organic sulfur compound that is found naturally in friut, vegetables, and grains. It has anti-inflammatory and antioxidant properties and is most commonly used as a dietary supplement to promote joint health and to alleviate pain in people with osteoarthritis.

Name: Methyl Sulfonyl Methane

Alias: dimethyl sulfoxide; sulfonyl dimethane;

Methanesulfonyl; Methane sulfonyl methane

English name: Methyl Sulfonyl Methane,

MSM, Dimethyl Sulfone

Molecularformula: C2H6O2S

Molecular weight: 94.13g/mol

Appearance: White crystalline powder

CAS : 67-71-0

Contact Person :	Mr. Li
Tel :	008619021270383
Fax :	86-731-28823187

Contact Person :

Mr. Li

Tel :

008619021270383

Fax :

86-731-28823187

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B9 Building ,Xinmajingu Industrial Park, Tianyuan District, Zhuzhou ,China

msm@as-msm.com

008619021270383

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