... of raw materials, using traditional methods (saponification acid,acid hydrolysis or pressurized hydrolysis) madeof hydrolyzed vegetable ... distillation can be more pure erucic acid. purposes : erucic acid little direct use,mainly for the ... ,plasticizers, emulsifiers, softener, waterproof agent cleaner.Erucic Acid Specification: DP FC22-90 , Typical DataColor(APHA), ... /g, 72--80, 75.5 4-hydroxybenzoic acid