Potassium nitrate

    Basic information

CAS RN: 7757-79-1 [2]
aqueous solutionpH: 7
Properties: colorless transparent prismatic or white granule or crystalline powder, with spicy taste and cool feeling.
Relative density(d164): 2.109
Melting point: 334℃
Solubility: easily soluble in water, soluble in water and absorbs heat, insoluble in absolute ethyl alcohol and diethyl ether.
Potassium nitrate is an important raw material of black powder and compound fertilizer.

Technical Parameters:

Item	Specifications
	Superior grade	First grade	Qualified product
Potassium oxide (K2O)  % ≥	46.0	44.5	44.0
Total nitrogen (N)% ≥	13.5
Chloride ion(Clˉ) % ≤	0.2	1.2	1.5
Free water (H2O) % ≤	0.5	1.2	2.0

 

    Product details

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