| Customization: | Available |
|---|---|
| CAS No.: | 7778-80-5 |
| Formula: | K2so4 |
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Potassium sulfate is an inorganic salt with the chemical formula K2SO4, which is a white crystalline powder.
The appearance of agricultural potassium sulfate is mostly light yellow, the hygroscopicity of potassium sulfate is small, it is not easy to agglomerate, the physical properties are good, and the application is convenient. It is a good water-soluble potassium fertilizer. It is the main raw material for making chlorine-free nitrogen, phosphorus and potassium ternary compound fertilizers.
Acute toxicity: LD50: 4000mg/kg (rats orally); 4720mg/kg (rabbit percutaneous).
LC50: 9400mg/m3, 2 hours (mouse inhalation)
|
Component |
Range |
Typical |
|
K2SO4 |
98.0%min |
99% |
|
K20 |
52.0%min |
52% |
|
Moisture |
1.5%max |
0.5% |
|
CL |
1.5%max |
0.1% |
|
S |
18%min |
18.2% |
|
Free Acid(H2SO4) |
1.5%max |
1.5% |
|
PH |
3-5 |
4 |
|
Water Soluble |
100% |
100% |
|
Heavy Metal |
0.01%max |
0.008% |
|
Calcium |
0.1%max |
0.1% |
|
Iron (Fe) |
0.1%max |
0.1% |
|
Fertilizer |
Used as a specialty fertilizer on crops that are sensitive to soil chloride levels, also used in cases where chloride buildup may be problematic. |
|
Non Agricultural Uses
|
Used as a flash reducer in artillery propellant charges. It reduces muzzle flash, flare back and blast overpressure. Used as an intermediate in dye. Used as a clarifying agent in glass industry. Used as an accessory ingredient in aromatics industry. Used as all-purpose additives in food industry. Used in biochemical inspection of serum protein. |
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