Ammonium sulphate is widely used as a nitrogen and sulfur-rich fertilizer in agriculture. It improves soil fertility, promotes healthy crop growth, and is especially effective for sulfur-deficient soils and alkaline soil conditions.

In the food industry, ammonium sulphate is used as a dough conditioner and acidity regulator. It supports yeast fermentation and improves texture and consistency in baked food products.

In the chemical industry, ammonium sulphate is used as a raw material and intermediate in the manufacture of various chemical compounds. It is also utilized in flame retardants, specialty chemicals, and industrial processing applications.

Ammonium sulphate is used in water treatment processes as a source of ammonia for chloramination. It helps improve disinfection efficiency and controls the formation of disinfection by-products.

Ammonium sulphate is used in pharmaceutical manufacturing processes, particularly in protein purification and precipitation techniques. It plays an important role in biochemical and biotechnology applications.

In textile processing, ammonium sulphate is used during dyeing and finishing operations. It helps control pH levels and improves dye uptake and color uniformity on fabrics.

In laboratory applications, ammonium sulphate is commonly used for protein fractionation, buffer preparation, and analytical research. It is a reliable reagent in biochemical and molecular biology studies.

Ammonium sulphate is used as a component in dry chemical fire extinguishing agents. It contributes to effective flame suppression and fire control in industrial and commercial safety applications.