NH4Cl is an inorganic compound with the chemical name Ammonium Chloride. It is also known as sal ammoniac, the salt of ammonia and hydrogen chloride.




Chemical Name Ammonium Chloride Extra Pure
CAS No. 12125-02-9
Density 1.519/cm3
EC Number 235-186-4
Appearance Colourless or white to almost white hygroscopic crystals or powder or chunks or solid Complies
Formula NH4Cl Complies
Assay (AT) 98.00 – 102.00% Complies
Solubility 100 mg soluble in 1 mL of water Complies
Molecular Weight 53.49 Complies
Sulphates (SO4) <= 0.025% Complies
Iron (Fe) <= 0.0005% Complies
Form Powder

Application and Uses

  • It is used in fertilizers as a nitrogen source.
  • It is used in medicine (especially in cough medicine) as an expectorant.
  • It is used in glue which helps to bond plywood.
  • It is used in Leclanche cells in aqueous solutions.
  • It is used in food additives – in bread making as a yeast nutrient.
  • It is used as an acidifier.
  • It is used in cooling baths to create low temperatures.
  • They are used as buffer solutions along with ammonia.
  • It is given to cattle as feed supplements.


Chemical Formula