... .in paints 3.in soap 4.in detergent, surfactants 5.rubber made plastic plasticizer, fatty acid of soya bean oil CAS No ... . 2,Mainly used in paints, soap, detergent, surfactants, rubber made plastic plasticizer, etc., In the coating industry substitution soybean oil ... , Also used in the manufacture of candles, crayons, brightener etc. Product. soybean fatty acid