Potassium Nitrate
keyword:
Potassium Nitrate
KNO3
Potassium Nitrate
Product information
Molecular formula: KNO₃
Molecular weight: 101.10
H.S. Code:2834.21.
EINECS: 231-818-8
CAS Number: 7757-79-1
Hazard Class: 5.1
UN No. 1486
Applications & Uses
1.Agriculture
Fertilizer: Provides potassium and nitrogen for crops (e.g., fruits, vegetables), enhancing disease resistance and yield.
Hydroponics: Key component in nutrient solutions for soilless cultivation.
2.Pyrotechnics & Explosives
Fireworks: Oxidizer for flame coloration (e.g., purple flames) and explosive effects.
Gunpowder: Traditional component in black powder for fireworks and historical firearms.
3.Food Industry
Preservative: Used in cured meats (e.g., ham, sausages) to prevent bacterial growth and maintain color.
4.Pharmaceuticals
Medicinal ingredient: Applied in topical creams for tooth sensitivity relief and certain diuretic medications.
5.Glass & Ceramics
Flux: Lowers melting point in glass production and improves ceramic glaze fluidity.
6.Chemical Industry
Raw material: Produces other potassium salts (e.g., potassium carbonate) and nitrogen compounds.
7.Water Treatment
Denitrification: Acts as a nitrogen source in biological wastewater treatment processes.
Specification
Items | Standard |
Appearance | Fine pure white prill (Particle size: 1~3mm) |
Purity (KNO3) | ≥ 99.6% |
Water | ≤ 0.1% |
H2CO3 (as KCO3) | ≤ 0.03% |
Chloride (as NaCl) | ≤ 0.03% |
Insolubles matter in Water | ≤ 0.04% |
Insoluble Matter in Hydrochloric acid | ≤ 0.005% |
SO4 | ≤ 0.005% |
Moisture absorption rate | ≤ 0.3% |
Package: in 25kg bags, 27mt/20’fcl without pallets or on pallets.
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