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Methyl Sulfonyl Methane Dimethyl Sulfone MSM Powder Supplier

Basic Information:
Product name: MSM
Other Name: Methyl Sulfonyl Methane
CAS No.: 67-71-0
EINECS No.: 200-665-9
Appearance: White crystalline powder
Melting Point(ºC): 107-111ºC
Boiling Point(ºC): 240.9°C at 760 mmHg
Refractive_index: 1.402
Methylsulfonylmethane (MSM) is an organosulfur compound with the formula (CH3)2SO2. It is also known by several other names including DMSO2, methyl sulfone, and dimethyl sulfone.
[1] This colorless solid features the sulfonyl functional group and is considered relatively inert chemically. It occurs naturally in some primitive plants, is present in small amounts in many foods and beverages, and is marketed as a dietary supplement.

1.Helps to maintain the structure of the proteins in the body
2.Helps in the formation of keratin which is essential for hair and nail growth
3.Aids in the production of immunoglobulin which maintains the immune system
4.Catalyzes the chemical reactions, which change food into energy.
5.Inhibit pain impulses along nerve fibers (analgesia)
6.Lessen inflammation
7.Increase blood supply
8.Relieving pain and inflammation in muscles and joints
9.Improvement of joint flexibility
10.Reducing stiffness and swelling, improving of circulation
11.Reducing pain in systemic inflammatory disorders such as arthritis
12.Reducing scar tissue, and breaking up calcium deposits

Dimethyl sulfone basic information: 


Density 1.1±0.1 g/cm3
Boiling Point 240.9±8.0 °C at 760 mmHg
Melting Point 107-109 °C(lit.)
Molecular Formula C2H6O2S
Molecular Weight 94.133
Flash Point 143.3±0.0 °C
Exact Mass 94.008850
PSA 42.52000
LogP -1.19
Vapour Pressure 0.1±0.5 mmHg at 25°C
Index of Refraction 1.402
Stability Stable. Combustible. Incompatible with strong oxidizing agents.
Water Solubility 150 g/L (20 ºC)


Dimethyl sulfone (DMSO2)  Application:

  • Acylation with N-acylbenzotriazoles to synthesize β-keto sulfones.
  • α-Monoarylation via palladium-catalyzed Negishi coupling reaction to synthesize benzylic sulfones.
  • One-step olefination of alcohols in the presence of ruthenium pincer complex as a catalyst.


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