Ammonium Sulfate Ammonium Sulphate (NH4)2SO4 [ CAS: 7783-20-2 ] - 25 000g

Ammonium Sulfate
Other Names: Ammonium Sulphate, Diammonium sulfate

CAS Number: 7783-20-2
Sum Formula: (NH₄)₂SO₄
Molar Mass: 132.14 g/mol
Appearance: White crystalline solid

Ammonium sulfate is an inorganic salt primarily used as a nitrogen source in fertilizers. It is also employed in various industrial processes, including analytical chemistry, materials processing, and as an additive in technical applications.

Chemical and Physical Properties

Density: 1.77 g/cm³
Melting Point: 235–280°C (decomposes)
Boiling Point: Not applicable (decomposes before boiling)
Solubility in Water: Highly soluble (760 g/L at 25°C)
Solubility in Other Solvents: Slightly soluble in alcohol, insoluble in acetone and ether
Odor: Odorless

Applications

Agriculture: Commonly used as a nitrogen fertilizer, particularly effective in alkaline soils due to its acidifying properties.

Analytical and Industrial Chemistry: Utilized in laboratory procedures and industrial processes for precipitation and separation techniques.

Technical Uses: Applied in the production of flame retardants, tanning agents, dyes, and as a nitrogen source in fermentation processes.

Safety

No GHS

First Aid Measures

Eye Contact: Rinse thoroughly with water for several minutes. Seek medical attention if irritation occurs.
Skin Contact: Wash with soap and water. Remove contaminated clothing.
Inhalation: Move to fresh air. Seek medical help if symptoms persist.
Ingestion: Rinse mouth with water. Do not induce vomiting. Seek medical advice if feeling unwell.

Handling and Storage

Storage Conditions: Store in a dry, cool, and well-ventilated area. Protect from moisture and incompatible materials such as strong oxidizers.
Handling Precautions: Avoid dust generation. Use appropriate personal protective equipment.