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Industrial Grade Potassium Nitrate CAS No:7757-79-1
Industrial Grade Potassium Nitrate CAS No:7757-79-1

Industrial Grade Potassium Nitrate CAS No:7757-79-1:

Molecular Formula:KNO3

CAS No.: 7757-79-1

Relative Molecular Weight: 101.1

Quality Standard: GB 1918-2011

Place of Origin: Shanxi, China (Mainland)

It occurs as a mineral niter and is a natural solid source of nitrogen. Potassium nitrate is one of several nitrogen-containing compounds collectively referred to as saltpeter or saltpetre.

It can cause combustion or explosion in contact with reducing agent carbon, sulfur, titanium and other metal powders.

 

Index Name

Qualified Grade

Agricultural Grade

Actual Value

Purity (KNO3-) % ≥

99

98

99.4

Water content (H2O) % ≤

0.30

1.0

0.06

Chloride content (based on Cl) % ≤

0.10

0.30

0.009

Insoluble substance in water % ≤

0.05

—

0.007

Sulfate content (based on SO42) % ≤

—

—

0.005

Fe % ≤

—

—

0.003

K2O % ≥

—

45.5

46

N % ≥

—

13

13.5

 

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