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P5140 Potassium Sulfate, ACS CAS: 7778-80-5

Specifications
CAS Number
7778-80-5
Grade
ACS Grade
Molecular Formula
K2SO4
Molecular Weight
174.26
EU Commodity Code
38220090
Shipping Temp
RT
Storage Temp
RT

Potassium sulfate is a water-soluble inorganic salt that is commonly used in fertilizers. It can be prepared by reacting phosphogypsum and potassium chloride. K2SO4 can form needle-like mullite particles on heating with aluminum sulfate and silicon dioxide. Its application to the soil has shown to minimize bronzing of rice plants. Potassium sulfate may be used as a sulfonating agent in the preparation of 4′-dibenzo-18-crown-6-sulfonic acid via sulfonation of dibenzo-18-crown-6.

CAS No
7778-80-5
Molecular Formula
K2SO4
Molecular Weight
174.26
Appearance
White to off-white solid
Purity
≥99%
Insoluble Matter
≤0.01%
pH (5%)
5.5-8.5
Chloride
≤0.001%
Nitrogen Compounds
≤0.0005%
Calcium
≤0.01%
Magnesium
≤0.005%
Heavy Metals (as Pb)
≤0.0005%
Iron
≤0.0005%
Sodium
≤0.02%
Meets or exceeds ACS specifications
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