... 150.09 [CAS Number] 133-37-9 [Apperance] Colorless crystals or white powder,[Character] Without odor, with sour taste, stable ... , compound of equal quantity of dextrorotatory and levorotatory tartaric acid, containing one or two molecule crystalline water and losting ... industry etc. ,and is chiefly used to make the tartaric acid salts , like antimony potassium tartrate, potassium sodium tartrate . ...