Potassium Nitrate

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Other name:


Potassium Nitrate


CAS No.: 7757-79-1

Molecular Formula: 


Molecular Weight: 101.1

Characters: White crystalline powder, It is deliquescent, can be easily decomposed when heated, soluble in water, slightly soluble in alcohols.


Potassium Nitrate A.R. C.P. Refined grade
Item Spec. Spec. Spec.
Assay % ≥99.0
Aqueous solution reaction PASS PASS
Clarity test PASS PASS
Water insoluble% ≤0.004 ≤0.006 ≤0.01
Drying loss % ≤0.2 ≤0.5 ≤0.5
Chloride% ≤0.003 ≤0.007 ≤0.01
Sulphates(SO4) % ≤0.005 ≤0.01 ≤0.01
Nitrite and Iodinates(asNO2)% ≤0.001 ≤0.002 ≤0.002
Phosphate(PO4)% ≤0.001 ≤0.001 ≤0.001
Na% ≤0.02 ≤0.05 ≤0.05
Mg% ≤0.002 ≤0.004 ≤0.004
Ca% ≤0.004 ≤0.006 ≤0.006
Fe% ≤0.0002 ≤0.0005 ≤0.0005
Pb% ≤0.0005 ≤0.001 ≤0.001

Product Usage: It is mainly used for firework, black gunpowder, matches, primacord, candlewick, tobacco, color-TV kinescope, chemical reagent, catalyst, glazed color for ceramics, glass, fertilizers, and flowers, vegetables, fruit trees etc. It is also used in metallurgical industry and food industry.

Packaging: In 25Kg/woven bag lined with double-layer plastic bag

Storage Precautions: Stored in cool, draughty and dry place at room temperature.

Potassium Nitrate

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