... 09(anhydrous) Description: Colorless crystals or white powder without odor,with sour taste,stable in air, ... of dextro-rotatory and levo-rotatory tartaric acid,containing one or two molecule crystalline water ... industry,etc.Mainly used in manufacture tartaric acid salts,such as potassium sodium tartrate,and ... foaming agent.Also applied in tanning,photo,glass,enamel and telecom materials industries.It's ...