Potassium nitrate
Potassium nitrate (CAS 7757-79-1), molecular formula KNO3, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.
| Molecular weight | 101.10 |
|---|---|
| Empirical formula | KNO3 |
| Assay | ≥99.0% |
| Grade | JIS special grade |
| Solubility | H2O: soluble1 M at 20 °C, clear, colorless |
| pH | 5-8 (20 °C, 5%) |
| Loss on drying | ≤0.5% loss on drying, 105 °C |
| Melting point | 334 °C(lit.) |
| Impurities tested | acidity or alkalinity, compliesreducing matter, compliesresidual solvents, complies≤0.001% heavy metals (as Pb)≤0.005% ammonium (NH4) |
| Suitability | complies for appearance of solution |
Hazard statements
- H272May intensify fire; oxidiser
Precautionary statements
- P220Keep away from clothing and combustible materials
| Protective equipment | Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 1486 5.1 / PGIII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | O |
| Risk statements (R) | 8 |
| Cation traces | As: ≤1 mg/kgCa: ≤50 mg/kgCu: ≤10 mg/kgFe: ≤10 mg/kgNa: ≤1000 mg/kgPb: ≤4 mg/kgZn: ≤10 mg/kg |
| Anion traces | chloride (Cl-): ≤10 mg/kgnitrite (NO2-): ≤5 mg/kgsulfate (SO42-): ≤100 mg/kg |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Availability | available only in Japan |
|---|---|
| Absorption | absorption1M/328 nm, H2O cut-off |
Documentation
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Potassium nitrate?
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Potassium nitrate (CAS 7757-79-1), molecular formula KNO3, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.
What grades of Potassium nitrate does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Potassium nitrate in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of Potassium nitrate?
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Potassium nitrate has CAS number 7757-79-1 and molecular formula KNO3. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for Potassium nitrate?
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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
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Yes. Every batch of Potassium nitrate ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should Potassium nitrate be stored?
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Store Potassium nitrate in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is Potassium nitrate used for?
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Potassium nitrate is used in chemical synthesis applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for Potassium nitrate?
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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
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