Stearic acid, legal number INS (international number system) 570, EEC No. 570, CAS [57-11-4], is a white or light yellowish white solid in Chemicalbook, soluble in alcohol and acetone, easily soluble in ether, chloroform, benzene, carbon tetrachloride, carbon disulfide, amyl acetate and toluene, etc., with a melting point of 69.6°C. It is one of the main components of oils and fats.