Nitrogen content ≥25.4%
Implementation standard: GB2946-92
Molecular formula: NH4Cl
Relative molecular weight: 53.49
Properties: Colorless cubic crystal or white crystal. The taste is salty and bitter. Soluble in water, soluble in liquid oxygen,
slightly soluble in alcohol, insoluble in acetone and ether. Moisture absorption is small, but it can also absorb moisture in wet and rainy weather.
The aqueous solution is weakly acidic and becomes more acidic when heated. It is corrosive to ferrous metals and other metals,
especially to copper corrosion, and has no corrosion effect on rust. Uses: Mainly used for dressing and tanning leather, agricultural fertilizer.
Used as a dyeing aid. Electroplating bath additive, metal welding cosolvent. Also used in tinning and galvanizing, medicine, candle making, adhesives,
chromizing, precision casting dry cells and batteries and other ammonium salts.