Nitrogen Series Products

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Ammonium Sulfate

N>20.5%,H2O<1%

ammonium sulfate

ammonium sulfate

ammonium sulfate

Caprolactam grade

Iron Phosphate grade

Coking grade

Ammonium sulfate is our flagship export product. It is a high-quality nitrogen and sulfur fertilizer, widely used in row crops, oilseeds and as a base for compound NPK blending.

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Granular Caprolactam Grade

Ammonium sulfate, commonly known as ammonium sulfate, is an inorganic salt compound with the chemical formula (NH4) 2SO4 and a molecular weight of 132.14. At room temperature, it is a colorless rhombohedral crystal. Industrial products are generally small white or slightly yellow grains, but a few by-products have colors such as slight blue and dark brown. 

        The relative density is 1.77, the melting point is 280 ℃ (decomposition), and it is soluble in water but insoluble in ethanol and acetone. The aqueous solution is acidic (pH=5.5, 0.1mol/L), and the solubility in water decreases with increasing ammonia content . Ammonium sulfate is prone to moisture absorption and solidifies into blocks after absorbing moisture.

        The chemical properties reflect the characteristics of ammonium salts and sulfates. It reacts with alkali to release ammonia gas, which can be decomposed into ammonia gas, nitrogen gas, and sulfur dioxide when heated. It forms barium sulfate precipitate with barium chloride and brown precipitate with alkaline mercuric potassium iodide solution

Total Nitrogen 21%min


Sulfate Content 24%min


Free Acid 0.3%max


Moisture 1.0%max


Chloride(Cl-) 0.05%max


Water Insoluble Matter 0.05%max

Iron(Fe) 0.007%max


Arsenic(As) 0.0005%max


Heavy Metals(as Pb) 0.005%max


Particle Size(2-4mm) 90%min


Crushing Strength 30N/granule

Stable Supply Chain from China to the World

Relying on China's abundant production capacity of ammonium sulfate, our company is committed to creating a supply pattern of ammonium sulfate between China and the world.

4

grades ammonium sulfate supply net

Caprolactam  Coking

Iron Phosphate  Power

400

hundred

annual transaction volume

Annual volume of AS can rank top3 in south-west China

50

long-term stable partner

+

Partners cover all categories including new energy, chemical fibers, and chemicals

2

Self-operated processing factory

Located in Sichuan & Yunnan

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Real photos of the warehouse