Ammonium Sulfate

Overview

Product Name	Ammonium Sulfate
Chemical Category	Inorganic Nitrogen Fertilizer / Inorganic Salt
Molecular Formula	(NH₄)₂SO₄
Molecular Weight	132.14 g/mol
CAS Number	7783-20-2
Appearance	White or off-white crystalline powder or granule

Description

Ammonium Sulfate is an inorganic salt widely used as a nitrogen fertilizer in agriculture. It provides a readily available source of nitrogen and sulfur for plant growth. It is also used in various industrial processes, including chemical manufacturing, water treatment, and food processing. The product appears as a white to off-white crystalline material, soluble in water but insoluble in alcohol and acetone. Granular forms are used in mechanical fertilizer application systems, while powder is commonly used in compound fertilizers or industrial use.

Specifications

Grade Type	Description	Typical Concentration (%)
Agricultural Grade	Used as nitrogen fertilizer for crops and soil improvement	≥ 20.5% N, ≥ 24% S (dry basis)
Industrial Grade	Used in chemical synthesis, flame retardants, etc.	≥ 20.5% N, low moisture
Food Grade	Used as a food additive, fermentation aid	High purity, conforms to FCC/GB
Feed Grade	Supplement in animal feed for nitrogen and sulfur	Conforms to relevant feed standards
Customized Grade	Tailored particle size, anti-caking, or coating as required	As requested

Applications

• Agriculture: Primary nitrogen fertilizer for crops, especially for rice, wheat, and fruits.
• Chemical Industry: Intermediate in production of ammonium salts and synthetic resins.
• Food Industry: Additive and processing aid in baking and fermentation (food-grade only).
• Water Treatment: Used in nutrient dosing for biological treatment systems.
• Feed Industry: Used in compound feed to improve nitrogen balance.

Advantages

• Highly soluble, fast nitrogen release
• Provides both nitrogen and sulfur, promoting protein synthesis
• Low volatility compared to urea
• Improves soil acidity in alkaline soils
• Compatible with other fertilizers and nutrients

Storage

Store in a cool, dry, and ventilated place. Keep away from moisture, water, and incompatible substances (e.g., strong alkalis). Avoid direct sunlight and sources of ignition. Seal the packaging properly after use to avoid caking.

Packaging

• Powder/Granule: 25kg or 50kg plastic woven bag with PE liner
• Jumbo bag: 1000kg / 1200kg big bags available
• Custom packaging available upon request