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Potassium Nitrate White crystal granular used in fertilizers
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Content
99%99.4%min
MF
KNO₃
CAS NO
7757-79-1
EINECS NO
231-818-8
Appearance
5.1
UN NO
1486
Appearance
White crystal granular
MW
101.1
Packing
25KG
Density
2.109g/cm³
Melting point 334 ℃
Boiling point 400 ℃
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ABOUT POTASSIUM NITRATE

 

Potassium nitrate refers to a chemical fertilizer containing 13.8% nitrogen and 46.6% potassium oxide. Commonly known as fire or earth nitrate. The molecular weight was 101.10. For colorless transparent rhombic crystal or diamond crystal or white powder, odorless, non-toxic, salty and cool sense. Moisture absorption in the air is small, not easy to agglomerate. The relative density is 2.019 (16°C), and the melting point is 334°C. It is easy to dissolve in water, and the solubility increases rapidly with the increase of temperature. Soluble in liquid ammonia and glycerol, insoluble in anhydrous ethanol and ether. Potassium nitrate is a chlorine-free potassium compound fertilizer with high solubility, and its effective components nitrogen and potassium can be quickly absorbed by crops without chemical residues. It is recommended for vegetables, fruits and flowers, as well as some chlorine-sensitive crops (such as potatoes, strawberries, beans, cabbage, lettuce, peanuts, carrots, Onions, blueberries, tobacco, apricots, grapefruit and avocados). Potassium nitrate is a powerful oxidant and can cause combustion and explosions when in contact with organic matter. Therefore, potassium nitrate should be stored in a cool and dry place, away from fire, heat source. It should not be stored and transported together with reductant, acid, combustible and metal powder.

CERTIFICATE OF ANALYSIS

specification

KNO3

≥99%

≥99.4%

K2O

≥46.0%

≥47.0%

Nitrogen

≥13.0%

≥15.0%

Moisture

≤0.1%

≤0.08%

SO4

≤0.01%

≤0.005%

Cl

≤0.03%

≤0.02%

Fe

≤0.01%

≤0.002%

Nitrite

≤0.01%

≤0.002%

Water insoluble

≤0.02%

≤0.01%

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USING

 

Agriculture ,fertilizer ,glass ,enamel glaze,fireworks ,black explosives and food industry .

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