... ,and then uses vacuum distillation can be more pure erucic acid. purposes : erucic acid little direct use,mainly for the fine chemical intermediates ... extracting various surfactants, lubricants,plasticizers, emulsifiers, softener, waterproof agent cleaner.Erucic Acid Specification: DP FC22-90 , Typical DataColor(APHA), 250max, 200Content ... 163.5Iodine Value mg I2/g, 72--80, 75.5 Erucic Acid 90%min