Shanghai Dingwujin Chemical Co., Ltd. is one of the leading manufacturers and suppliers of potassium nitrate in China. We are committed to the chemical distribution across Central & Eastern Europe and Ukraine. We warmly welcome you to wholesale customized potassium nitrate made in China here from our factory.
Potassium Nitrate
Introduction
Characteristics
|
Molar Weight |
101.103 g/mol |
|
Melting Point |
334°C |
|
Boiling Point |
400°C (decomposes) |
|
Density |
2.109 g/cm³ |
|
Forms |
Powder, Colorless |
Product Grades
Agricultural Grade
Grades: premium (K₂O≥46%, N≥13.5%, Cl⁻≤0.2%), first, qualified (Cl⁻≤1.5%). Used in water-soluble fertilizers and farming.
Industrial Grade
Grades: premium (KNO₃≥99.5%, strict limits on insolubles, chlorides, sulfates), first, qualified. Used in glass, fireworks, metal heat treatment.
Reagent Grade
Grades: GR (≥99.8%), AR (≥99.5%), CP (≥99.0%), with strict limits on specific ions (Fe, heavy metals, iodates). Used in analytical chemistry and standard solutions.
Standard stock items are industrial grade. For special-grade orders, please contact us for full documentation.
Uses and Applications
Key applications
- Explosives
- Food Preservatives
- Oxidising Agent
- Pyrotechnics
- Pharmaceuticals
- Cosmetic Products
- Macronutrient
Industries
- Beauty & Personal Care
- Agriculture
- Pharma
- Energy Services
- Water Treatment
- Food & Nutrition
- Animal Nutrition
- Lubricants
Potassium Nitrate Used in the Agriculture Industry
Potassium nitrate is a nitrate‑potassium binary fertilizer, supplying readily‑absorbable nitrate‑nitrogen and potassium for crops; it is also applied in compound fertilizer formulations.
Potassium Nitrate Used in the Chemical Manufacturing Industry
Potassium nitrate serves as oxidant and raw material for manufacturing certain nitrate salts; it is not the mainstream industrial feedstock for large‑scale synthesis of nitrobenzene or nitromethane.
Potassium Nitrate Used in the Metalworking Industry
Potassium nitrate can react with metals and can be used for etching and removing oxide layers or impurities from metal surfaces. For example, nitric acid can be used to clean stainless steel, aluminum, copper, and other metals, leaving their surfaces smooth and bright.
Potassium Nitrate Used in the Electronic Industry
Potassium nitrate is not a primary etchant for PCB copper foil. In a few proprietary etching formulas, it acts as minor oxidizing additive. Its major electronic‑grade usage is for chemical strengthening of display glass panels.
Potassium Nitrate Used in the Pharmaceutical Industry
Potassium nitrate is used as an active ingredient in dentifrices for dentin hypersensitivity. In some silver‑nitrate cauterant sticks, it functions as an excipient, while silver nitrate provides wound‑cauterizing effects. It itself is not used for treating ulcers or burns.
Potassium Nitrate Used in the Glass Industry
Nitric acid can be used as a chemical agent in the glass manufacturing process. It can be used to remove impurities and oxides from the glass surface, improving the transparency and quality of the glass.
Potassium Nitrate Used in the Laboratory
Nitric acid is used as an analytical reagent for titration, sample pretreatment, and instrumental analysis.
