methyl sulfonyl methane powder Methyl Sulfonyl Methane,MSM,Dimethyl Sulfoxide 99.9%min purity methyl sulfonyl methane powder MSM Methyl Sulfonyl Methane/Dimethyl sulfoneMethylsulfonylmethane,%: 99.9 MinimumDMSO, %: 0.01MaxmumAppearance: white, crystallineOdor: odorlessMesh Size (U.S. Std.): 20 - 80 meshMelting Point @ 760 mm Hg: 106-108°C Bulk Density (g/ml): 0.74 MinimumWater, %: 0.20 ...