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Ammonium Sulfate  CAS 7783-20-2

Ammonium Sulfate CAS 7783-20-2

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product description

Item

Description

Product Name

Ammonium Sulfate (Ammonium Sulphate, Mascagnite)

CAS No.

7783-20-2

EINECS No.

231-984-1

Molecular Formula

(NH₄)₂SO₄

Molecular Weight

132.14

Appearance

White or off-white crystalline granules or powder; odorless, salty taste

Main Grades

Agricultural Grade (Nitrogen Fertilizer), Industrial Grade, Feed Grade, Food Grade

Physical & Chemical Properties

Soluble in water (75.4 g/100mL at 20°C), aqueous solution weakly acidic (pH 5-6). Insoluble in ethanol and acetone. Density approx. 1.77 g/cm³, melting point 235-280°C (decomposes). Low hygroscopicity, low caking tendency.

Product Features

High purity, high nitrogen content (N ≥21%), contains sulfur (S ≥24%), good physical properties, stable chemical behavior, rapid water solubility, quick-acting fertilizer effect.

Main Applications

Agricultural Fertilizer : Quick-acting nitrogen fertilizer for various crops (wheat, rice, corn, cotton, rapeseed, etc.), especially suitable for sulfur-deficient soils. Used as base, top or seed fertilizer. Preferred for chlorine-sensitive crops.Industrial Raw Material : Manufacture of ammonium persulfate, potassium sulfate, ammonium chloride, alum, etc. Also used in rare earth extraction, leather tanning, biological fermentation media.Food Industry : Dough conditioner (permitted by GB 2760), yeast nutrient, fermentation promoter; used in bread, biscuits and other baked goods.Feed Additive : Non-protein nitrogen source for ruminant animal feed, supplying both nitrogen and sulfur.Water Treatment : Water quality adjustment, microbial nutrient source for denitrification processes.Other Uses : Fireproofing materials, welding flux, electroplating additives, cellulose solvents, etc.

Packaging

25 kg/bag (PP woven bag with PE liner or paper-plastic composite bag), 50 kg/bag, 1000 kg/1200 kg jumbo bag; custom packaging available upon request.

Storage Condition

Store in a cool, dry, well-ventilated warehouse, protected from moisture and rain; keep sealed, avoid mixing with alkalis and oxidizers.

Transportation Requirements

Not dangerous goods (general cargo); transport as general cargo. Protect from moisture and rain; handle gently.

Quality Standards

Agricultural Grade: GB/T 535-2020 (N ≥21.0%, moisture ≤1.0%, S ≥24.0%, free acid ≤0.2%)Industrial Grade: HG/T 5740-2020 (Purity ≥99.0%, Fe ≤0.005%, heavy metals ≤0.005%)Food Grade: GB 29206-2012 ((NH₄)₂SO₄ ≥99.0%, As ≤2 mg/kg, Pb ≤2 mg/kg)Feed Grade: GB 34463-2017 ((NH₄)₂SO₄ ≥99.0%, As ≤2 mg/kg, Pb ≤5 mg/kg)

Minimum Order Quantity (MOQ)

Regular MOQ: 20 MT (1×20'FCL); trial order: 5-10 MT available

Delivery Time

Regular order: 7-15 working days; custom packaging/special particle size: 15-25 working days

Payment Terms

T/T (30% deposit, 70% against copy of B/L), sight L/C; FOB, CFR, CIF terms supported


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FAQ

1. What are Jinyu Chemical primary product lines?
Our company specializes in petrochemicals (methanol, styrene, ethylene glycol), plastic resins (PP, PE, PVC, ABS), fine chemicals (pharmaceutical/pesticide intermediates, additives, solvents), chemical fiber raw materials (PTA, polyester filament, polyester staple fiber), inorganic chemicals (soda ash, caustic soda, titanium dioxide), as well as rubber, paraffin wax, and other products. We offer one-stop procurement services covering a wide range of categories.


2. Are you a trading company or a manufacturer?
We are a professional chemical trading company specializing in international trade. We have established long-term strategic partnerships with numerous high-quality domestic manufacturers to ensure a stable supply of goods and competitive pricing, while also providing comprehensive export services throughout the entire process.


3. Can you provide third-party inspection reports?
Yes. We provide a Certificate of Analysis (COA) with every shipment. Additionally, upon a client's request, we can arrange for inspections by third-party agencies such as SGS, BV, or ITS; the associated costs and details are negotiable.


4. What is the Minimum Order Quantity (MOQ)?
For plastic resins and chemical fiber raw materials, the MOQ typically starts at 1–5 tons, and we welcome small-batch trial orders. For liquid chemicals, bulk shipments start at 20 tons, while drummed shipments can be consolidated (LCL). For fine chemicals, the MOQ is determined on a case-by-case basis depending on the specific product.


5. From which ports do you primarily ship?
Our company is located in close proximity to the Port of Tianjin. We can also arrange shipments from other major domestic ports—such as Qingdao or Shanghai—to meet our clients' specific requirements.


6. Can you handle the export of hazardous materials?
Yes. Our company holds a valid license for the operation of hazardous chemicals. We are well-versed in the procedures for hazardous material declaration, obtaining hazardous packaging certificates, and booking cargo space, thereby ensuring full compliance with all export regulations.


7. What payment methods do you accept?
Our standard payment terms are T/T (30% upfront deposit, with the remaining 70% payable upon presentation of a copy of the Bill of Lading) or Sight L/C (Letter of Credit). For small-batch sample orders, we also accept Western Union. For long-term partners—subject to a credit assessment—we may negotiate deferred L/C or Open Account (OA) terms.


8. What is your typical lead time?
For standard products, the lead time is typically 7–15 business days. For customized products or those with special specifications, it is 15–25 business days. For in-stock items, shipments can be dispatched within 3–7 business days after receipt of payment.

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