... agriculture, also used as raw material in production of plastics, resins, coating, and medicine. Physical properties: White, hygroscopic crystal granule. ... Melting point 135oC. Soluble in water and in liquid ammoniaWhite prilled,free flowing and free from harmful substancesPacking: in bulk ... Size: 2-4.75mm 90%White granular,free flowing and free from harmful substancesQINGDAO HITRUST IMP & EXP CO., LTD ...