Caprolactam grade ammonium sulfate Nitrogen content of 21% CAS: 7783-20-2 Specifications: 1) 0.5 5 mm particles 2) 1 to 5 mm particles 3) 1.5 to 5 mm particles 4) crystal Colorless crystals or white granules. No smell. More than 280 ℃. Solubility in water: 70.6 g when 0 ℃, 100 ℃ 103.8 g. Insoluble in ethanol and acetone. 0.1 mol/L solution of pH 5.5. Relative density 1.77. The refractive index of 1.521. Low toxicity, median lethal dose (rats, through the mouth) 3000 mg/kG. Stimulating. Ammonium sulfate is mainly used as fertilizer, suitable for various soil and crop. Can also be used for textile, leather, medicine, etc. A good nitrogen (commonly known as ammonium sulphate), suitable for general soil and crop, can make the branches and leaves growth, improve fruit quality and yield, enhance crops on disaster resistance ability, as a basic fertilizer, fertilizer and seed manure. Has double decomposition reaction with salt to produce ammonium chloride and ammonium aluminum sulfate effect generated alum, manufacturing refractory materials with boric acid and so on. Join the electroplating