... pharmaceutical, pesticide intermediates, etc. Is used for synthesis of propionic acid aldehyde, propionic acid in food, feed and grain on the raw ... thiazide diuretics, sedative as sedative medicine, pesticide aldehyde propionic acid synthesized herbicide, pesticides, etc, are aldehyde can also ... LD50 400mg/kg, air is allowed in the concentration of 8000 * 10 6. Quality standard content, epoxy propane ...