1.MES -sulfonated Fatty Acid Methyl Ester 35% 2.Appearance:Yellowish transparent liquid 3.Purity:35% ... Yellowish transparent liquid Active matter,%35+/-2.0Free oil,%2.5 maxSodium sulfate,%5max.PH, 1%Aqueous solution of active matter4 ... .5-7.0Color(5% a. m.),hazen60 max.Application of AOSAll kinds of ...