Physical & Chemical Properties
| Parameter |
Value |
| Chemical Formula |
KNO3 |
| Molecular Weight |
101.10 g/mol |
| Appearance |
White crystalline powder or granules |
| Assay |
≥99.0% |
| Melting Point |
334 °C |
| Boiling Point |
400 °C (decomposes) |
| Solubility in Water |
357 g/L at 20 °C |
| pH (5% solution) |
5.0-7.5 |
| Moisture |
≤0.1% |
| Chloride |
≤0.02% |
| Heavy Metals |
≤10 ppm |
Applications
- Fertilizers: Provides potassium and nitrogen for crops, ideal for chloride-sensitive plants.
- Glass Manufacturing: Improves clarity and strength of glass, used in specialty glass.
- Food Preservation: Used as a preservative in cured meats (food grade).
- Ceramics: Acts as a flux in glazes and enamels.
- Pyrotechnics: Oxidizer in fireworks and matches.
- Heat Transfer Salts: Component in molten salt mixtures for solar power plants.
- Pharmaceuticals: Used in some medical formulations.
Packaging & Storage
- Packaging: 25kg PP woven bags with PE liner, 1000kg jumbo bags, or as per customer request.
- Storage: Store in a cool, dry, well-ventilated area away from combustible materials and reducing agents.
- Handling: Use appropriate personal protective equipment. Avoid dust generation and inhalation.
Frequently Asked Questions
Q: What is the primary industrial application of CAS 7757-79-1?
A: Potassium Nitrate is primarily used as a fertilizer in agriculture, providing essential potassium and nitrogen. It is also widely used in glass manufacturing, food preservation, and as an oxidizer in pyrotechnics.
Q: What are the standard packaging options for bulk orders of this chemical?
A: Standard packaging includes 25kg PP woven bags with inner PE liners, 1000kg FIBC jumbo bags, and 50kg fiber drums. Custom packaging is available upon request.
