Apperance: The pure product is a colorless transparent orthorhombic crystal.

Nature: colorless crystals or translucent orthogonal crystals or white particles. Soluble in water, insoluble in ethanol, acetone. It is decomposed into ammonia and sulfuric acid when heated to 28 °c. The relative density was 1. 77. 0.Imol/L aqueous solution pH 5.5. Reaction with sodium hypochlorite produces explosive nitrogen trichloride. By high heat decomposition, release of toxic smoke. Solubility in water (g/10g H20):70.6(0℃);76.7(25℃);103.8(100℃). This product is non-flammable and irritating.

Use: for the separation of calcium and strontium and the preparation of microbial culture medium. Used as a fertilizer, can also be used as a flux, fabric fire retardant, medicine as a salting out agent, osmotic pressure regulator, etc.

Safety: Staff should be protected. If the skin and eyes are touched, they should be immediately rinsed with flowing water. Products stored in a cool, ventilated warehouse to prevent moisture and rain. Keep away from fire and heat source. It should be stored separately from acids and alkalis, and mixed storage and transportation should not be avoided.