... used for synthesis of propionic acid aldehyde, propionic acid in food, feed and grain on the raw materials, preservative aldehyde ... in rubber, plastic, coatings used in medicine, solvent is used as sedative ... than 1%, 97 ~ 98%, water content of 2%.Storeage:In plastic drum or 160KG/barrels packaging, fire prevention, moistureproof. According ...