Potassium Nitrate (E252)

Description

1. Product Overview
   Potassium Nitrate (E252) is a high-purity inorganic salt (KNO3) widely used as an oxidizer and nutrient in industrial applications. Primarily applied in fertilizer manufacture, pyrotechnics and explosives, glass and ceramics production, and metal heat-treatment processes, it delivers predictable chemical performance and high solubility. The product’s key value proposition is consistent chemical composition and controlled particle characteristics that optimize process yield, reduce downtime, and simplify downstream handling. Strategically, reliable supply of Potassium Nitrate mitigates raw-material risk for manufacturers that depend on precise oxidizer or nutrient dosing, making it a cornerstone input for large-scale industrial operations.

2. Key Specifications & Technical Characteristics

• Chemical composition: Potassium nitrate (KNO3), CAS 7757-79-1.

• Assay / Purity: Available grades up to 99.5% KNO3 (typical industrial grade 99.0–99.5%).

• Impurities: Specified maximums for chloride, sulfate, heavy metals (Pb, As, Cd) per certificate of analysis.

• Physical form: Crystalline granular or prilled form; free-flowing.

• Color: White to off-white crystals.

• Particle size: Standard 0.5–4.0 mm (custom sieving available on request).

• Bulk density: Typical bulk density 1.85–2.02 g/cm³ (depends on particle size and packing).

• Solubility: High solubility in water (~31.6 g/100 mL at 20°C), predictable dissolution profile.

• Moisture content: Controlled (typical ≤0.5% wt), packed under dry conditions.

• pH (aqueous solution): Slightly alkaline to neutral (depending on concentration).

• Packaging options: 25 kg multiwall paper/PE lined bags; 500 kg bulk bags (FIBC); 20 MT bulk shipment in container or 24–26 MT in bulk tanker by agreement.

• Shelf life: Stable indefinitely if stored dry and sealed; recommended use within 24 months for guaranteed packaging integrity and certified assays.

• Documentation: Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS/SDS), REACH compliance statement (where applicable), and inspection reports available.

3. Core Industrial Applications

• Fertilizer manufacture (primary): Source of soluble potassium and nitrate nitrogen in compound NPK and specialty fertilizer blends. Use case: precise dosing in granulation and blending to achieve target nutrient profiles and uniform granule composition. Advantage: high solubility and low impurities improve fertilizer quality and reduce corrosion in processing equipment.

• Pyrotechnics and propellants: Oxidizer for controlled burn rates in fireworks and certain propellant formulations. Use case: consistent particle size and purity enable reproducible combustion characteristics and reduced reject rates. Advantage: predictable oxidizing performance versus lower-grade alternatives.

• Glass & ceramics: Fluxing agent and colorant stabilizer in glass formulations and ceramic glazes. Use case: improves homogeneity and firing behavior. Advantage: reduces defects and enhances throughput.

• Metallurgy and heat treatment: Nitrating and salt-bath processes for surface treatments and metal finishing. Use case: used in salt baths to achieve controlled nitridation and diffusion. Advantage: stable composition reduces process variability and rework.

• Chemical intermediates: Feedstock for specialty chemicals where nitrate or potassium ions are required. Use case: reagent in inorganic syntheses and laboratory bulk supply. Advantage: consistent CoA supports QA/QC for downstream chemistry.
  Commercial relevance: The product’s controlled particle distribution, low impurity profile, and robust documentation support industrial clients seeking scale, repeatability, and regulatory traceability.

4. Competitive Advantages

• Quality consistency: Batch-to-batch assay verification and CoA delivery ensure predictable chemical performance for sensitive industrial processes.

• Supply reliability: Secure sourcing network and forward inventory management for uninterrupted deliveries to large-scale manufacturers.

• Logistics capability: Flexible packaging (FIBC, bags, bulk) and containerized loading options tailored to port infrastructure; export-ready documentation and customs facilitation for global B2B shipments.

• Price competitiveness: Volume-tiered pricing and contract terms available for long-term offtake agreements that lower landed cost.

• Sustainability: Options for sourcing from suppliers with lower-carbon manufacturing footprints; packaging optimization to minimize waste and support circular logistics.

• Technical support: Access to technical datasheets, application guidance, on-request sample testing, and lab-scale trial coordination to accelerate qualification.
  Positioning: Procurement of this Potassium Nitrate should be treated as a strategic sourcing decision—balancing cost, documented quality, and logistics to reduce process risk and maximize uptime.

5. Commercial & Supply Information

• Minimum order quantity (MOQ): BULK 20 MT.

• Loading capacity (MT per container): Standard 20-foot container (FOB/packed): up to 20 MT (in 25 kg bags or FIBCs) depending on packaging and stowage; 40-foot container: up to 24–26 MT subject to local packing and weight regulations.

• Available shipment modes: Containerized (20’ / 40’), bulk FIBC palletized, or bulk tanker/rail depending on destination and regulatory handling requirements.

• Lead times: Subject to current inventory and contract terms; typical lead time for bulk orders 2–6 weeks from order confirmation.

• Documentation supplied: Commercial invoice, packing list, CoA, SDS, export compliance paperwork, and optional inspection certificates on request.