Ammonium Sulphate

Ammonium Sulphate Fertilizer
Ammonium Sulphate Fertilizer
Formula(NH4)2SO4
Molecular Wt.  132.14 g/mol
CAS-No.7783-20-2
HS-No31022100
Assay (titr.)Min 98 %
AppearanceWhite Crystalline Powder
NitrogenMin 21%
SulphurMin 24%
pH of 10% Solution6-7
MoistureMax 2%
Solubility in WaterMin 99.5%

Ammonium sulphate Fertilizer is an inorganic salt with the chemical formula (NH4)2SO4. Also known as diammonium sulfate, sulfuric acid diammonium salt, mascagnite, and dopamine.

Ammonium sulphate Fertilizer is a white, odorless, solid that dissolves easily in water but not in acetone. It is non-hazardous to humans and has a high melting point, decomposing above 280°C.

It is a versatile industrial compound with a wide range of applications, but it’s important to remember that it should be handled safely and responsibly. Here are some of its key industrial uses:

Fertilizer: Ammonium sulphate Fertilizer is a major source of nitrogen and sulfur, essential nutrients for plant growth. So Widely used in agriculture, horticulture, and landscaping to promote healthy crop yields and improve soil quality.

Textile industry: Ammonium sulphate, used in the dyeing and printing processes of textiles. It helps to fix dyes onto fabrics, making the colors brighter and more durable.

Fire retardant: Also uses as a fire retardant in various materials like wood, plastics, and textiles. It helps to suppress flames and prevent the spread of fire.

Rubber and plastics: Ammonium sulphate, uses in the production of rubber and plastic products because It acts as a vulcanizing agent in rubber and as a plasticizer in plastics, improving their properties and durability.

Water treatment: Ammonium sulphate, uses in the coagulation and flocculation processes of water treatment because It helps to remove impurities and clarify water.

Other uses: It also finds applications in various other industries like metallurgy, leather tanning, and food processing.


Ammonium sulphate fertilizer, with an NPK ratio of 21-0-0, is a popular choice for gardeners and farmers looking to boost nitrogen and sulfur levels in their plants. Here are some of its key benefits:

  • Provides readily available nitrogen: Nitrogen is essential for plant growth, and ammonium sulfate is a quick-acting source of this crucial nutrient. It promotes vigorous vegetative growth, enhances leaf development, and contributes to a healthy green canopy.
  • Rich in sulfur: Ammonium sulphate contains 24% sulfur, a secondary nutrient vital for plant metabolism. Sulfur aids in the synthesis of amino acids and enzymes, which are essential for various plant functions.
  • Improves soil health: By promoting the growth of beneficial soil microbes, ammonium sulfate can help improve soil health and structure. This, in turn, can lead to better nutrient uptake and overall plant health.
  • Versatile application: Ammonium sulfate can be used on a wide range of plants, including vegetables, fruits, flowers, trees, and lawns. It can be applied through various methods, including soil application, foliar feeding, and fertigation.
  • Cost-effective: Compared to other nitrogen fertilizers, ammonium sulfate is a relatively inexpensive option.

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