Description

Dimethyl Sulfone (DMSO₂), also known as methylsulfonylmethane (MSM), is a highly pure, organosulfur compound with the molecular formula C₂H₆O₂S and CAS number 67-71-0. This white crystalline powder is renowned for its stability, high solubility in water, and broad utility in biochemical, pharmaceutical, and materials science research. With a purity of ≥99%, our Dimethyl Sulfone is rigorously tested via HPLC, GC, and elemental analysis to ensure consistency for sensitive applications. It serves as a critical reagent in organic synthesis, nutraceutical studies, and polymer research, offering exceptional compatibility with oxidation reactions and sulfur metabolism pathways. Packaged under inert conditions to prevent degradation, it is available in bulk quantities with customizable particle size distributions.

Properties

• CAS Number: 67-71-0
• Complexity: 85.3
• IUPAC Name: methylsulfonylmethane
• InChI: InChI=1S/C2H6O2S/c1-5(2,3)4/h1-2H3
• InChI Key: HHVIBTZHLRERCL-UHFFFAOYSA-N
• LogP: -1.41
• Exact Mass: 94.00885060
• Molecular Formula: C2H6O2S
• Molecular Weight: 94.14
• SMILES: CS(=O)(=O)C
• Topological: 42.5
• Monoisotopic Mass: 94.00885060
• Physical Description: Dry Powder
• Boiling Point: 237.00 to 239.00 °C. @ 760.00 mm Hg
• Melting Point: 109 °C
• Vapor Pressure: 5.15 [mmHg]
• Synonyms: Dimethyl sulfone, Methyl sulfone, Methylsulfonylmethane, DIMETHYLSULFONE, Dimethyl sulphone, Methane, sulfonylbis-, sulfonyldimethane, (methylsulfonyl)methane, Methylsulfonyl methane, METHANESULFONYLMETHANE, DMSO2, NSC 63345, CCRIS 2938, methyl sulphone, Lignisul MSM, UNII-9H4PO4Z4FT, EINECS 200-665-9, Sulfonylbis-methane, 9H4PO4Z4FT, Opti MSM, Sulfone, dimethyl-, Methane, 1,1′-sulfonylbis-, DTXSID4043937, AI3-25306, METHOSULFONYLMETHANE, NSC-63345, DIMETHYL SULFONE [MI], DTXCID2023937, DIMETHYL SULFONE [MART.], NSC63345, METHYLSULFONYLMETHANE [VANDF], METHYLSULFONYLMETHANE [USP-RS], METHYLSULFONYLMETHANE [WHO-DD], MYTHYLSULFONYLMETHANE (MSM) [VANDF], perdeuterodimethyl sulfone, methyl sulfonmethane, DIMETHYL SULFOXIDE IMPURITY A [EP IMPURITY], DIMETHYL SULFONE (MART.), METHYLSULFONYLMETHANE (USP-RS), DIMETHYL SULFOXIDE IMPURITY A (EP IMPURITY), Sulphonyldimethane, methane, sulfonylbis, methylsulphonylmethane, MSM2000 Premium, 1,1’Sulfonylbismethane, Methane, 1,1’sulfonylbis, DPHEAL SUL 16 HOT, DIMETHYL SULFONE [INCI], MYTHYLSULFONYLMETHANE (MSM), hhvibtzhlrercl-uhfffaoysa-n, inchi=1/c2h6o2s/c1-5(2,3)4/h1-2h, 67-71-0, Sulfonylbismethane, Sulphonylbismethane, METHYL SULFONYL METHANE, CHEMBL25028, CHEBI:9349, methylsulfone, MFCD00007566, dimethylsulfon, dimethylsulphone, methy sulfone, (methanesulfonyl)methane, (methylsulphonyl)methane, Dimethyl sulfone, 98%, MolMap_000019, Dimethyl sulfone (Standard), SCHEMBL19382, SCHEMBL40729, SPECTRUM1505358, SCHEMBL2339270, SCHEMBL5452053, SCHEMBL9342850, HY-Y1314R, HY-Y1314, Tox21_303712, BDBM50026473, AKOS015897615, CCG-214558, DB14090, FM11048, CAS-67-71-0, NCGC00095990-01, NCGC00357027-01, DB-050533, CS-0017786, M0509, M1239, Methyl sulfonyl methane;MSM;Dimethyl sulfone, NS00006500, EN300-79559, D70240, A835859, Q423842, F0001-1776, Z417007936, Dimethyl sulfone, Standard for quantitative NMR, TraceCERT(R), Methylsulfonylmethane, United States Pharmacopeia (USP) Reference Standard, Methylsulfonylmethane, Pharmaceutical Secondary Standard; Certified Reference Material, XZ5

Application

Dimethyl Sulfone is widely used as a dietary supplement in nutraceutical research due to its purported anti-inflammatory and joint health benefits. In organic chemistry, it acts as a polar aprotic solvent or intermediate in sulfonation reactions. Industrial applications include its use as a plasticizer precursor and in electroplating solutions for enhanced conductivity.

Safety and Hazards

GHS Hazard Statements

• Not Classified
• Reported as not meeting GHS hazard criteria by 122 of 127 companies (only 3.9% companies provided GHS information). For more detailed information, please visit ECHA C&L website.

Hazard Classes and Categories

• Not Classified

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.