... Sulfonyl Methane,MSM 1.Appearance:white crystalline powder 2.Purity:99%Min. 3.CAS#:67-71-0 MSM Methyl Sulfonyl Methane/Dimethyl ... sulfoneMethylsulfonylmethane,%: 99.9 MinimumDMSO, %: 0.01MaxmumAppearance: white, crystallineOdor: odorlessMesh Size (U.S ... : NegativeStandard Aerobic Plate Count (CFU/g):<10 Methyl Sulfonyl Methane 99.9min