1. Basic Information
· Chemical Name: Ammonium Sulfate
· Molecular Formula: (NH₄)₂SO₄
· Molecular Weight: 132.14
· CAS No.: 7783-20-2
· HS Code: 3102.21
Payment Terms: T/T, L/C
Trade Terms: FOB, CFR, CIF
MOQ: 20GP ≈ 20-25MT
·
· Appearance: White crystalline powder or granules, free from visible mechanical impurities
· Odor: Odorless
· Density: 1.77 g/cm³ (20℃)
· Melting Point: Decomposes at 280℃, releasing ammonia and sulfuric acid
· Solubility: Easily soluble in water (76.7 g/100mL at 25℃), insoluble in ethanol and acetone
· Aqueous Solution pH: 5.5–6.5 (Weakly acidic)
· Nitrogen Content: ≥21.2%
2. Technical Specifications (First Grade, GB/T 1396-2015)
3. Main Applications
1. Chemical Industry: Raw material for producing ammonium persulfate, potassium sulfate, ammonium chloride, caprolactam, hydrogen peroxide and dye intermediates.
2. Rare Earth Industry: Applied in ion exchange process for rare earth extraction.
3. Textile Industry: Acid dye levelling agent, sizing agent and fabric fire retardant.
4. Electroplating Industry: Buffer for electroplating solution to stabilize pH value and improve electrical conductivity.
5. Water Treatment: Auxiliary flocculant and additive to control disinfection by-products.
6. Biochemistry & Pharmacy: Used for protein salting-out, buffer solution preparation and nitrogen source for yeast cultivation.
7. Other Fields: Refractory materials, storage batteries, fire extinguishing agents and leather deliming agent.
4. Packaging & Storage & Transportation
· Packaging: 25kg woven bags 1000kg bulk bags available. Custom packages are acceptable.
· Storage: Store in cool, dry and well-ventilated warehouse. Keep away from alkaline substances to prevent caking and ammonia release.
· Transportation: Protect from direct sunlight and rain; avoid package damage. Classified as non-dangerous common chemical.
5. Safety Instructions
· Hazard Characteristics: Low toxicity with irritancy. Dust may irritate respiratory tract and eyes.
· Fire Fighting: Non-combustible. It will release ammonia and sulfur oxides under fire. Use water spray or dry powder for fire extinguishing.
· Personal Protection: Wear dust mask, goggles and gloves during operation. Avoid contact with strong alkalis.