... powder, odorlessAppearance: White or almost white powderSolubility: Freely soluble in water2.Sodium Sulphate Anhydrous 99% Applications: Primarily used as the ... agent of direct dyes, sulfur dyes and vat dyes. In medicine, used as salting agent and flocculating agent. Also used ... , dyeing auxiliary, laxative, antidote, it also can be used in fiber, lether, metallurgy, enamel and soap. 4.Sodium Sulphate ...