... stable supply,consistent quality,on-time delivery,competitive price Dimethyl sulfonesynonym:MSMspecification:Description: Odorless white crystalline powderAssay:99.9 ... bulk density:0.65water:0.2%maxHeavy metal(Pb):5 ppm maxresidue on ignition:0.1%maxE.Coli: ... available.accept customer's requirements on special specifications. Dimethyl sulfone,MethylSulfonyl Methane,MSM, 99.9% food,pharma grade ...