Potassium Nitrate

Description

1. Product Overview

Potassium Nitrate (KNO₃) is a high-purity, chlorine-free soluble fertilizer and industrial oxidizing agent, essential for precision agriculture and specialty industrial applications. Its primary industrial use lies in high-value crop fertigation (greenhouses, open-field drip systems) and as a heat transfer fluid medium in concentrated solar power (CSP) plants. The key value proposition is the delivery of 100% plant-available nitrogen and potassium without harmful chloride or sodium, enabling maximum yield quality while protecting irrigation infrastructure from corrosion. Strategically, this product is critical for global food security (boosting fruit set and stress resistance) and the renewable energy transition (thermal storage efficiency), making it a non-negotiable input for future-proof supply chains.

2. Key Specifications & Technical Characteristics

• Chemical Composition: KNO₃ (Potassium Nitrate); N-P₂O₅-K₂O ratio: 13-0-46

• Purity Level: 99.4% min. industrial grade (chloride-free <0.1%)

• Physical Characteristics:

  • Form: White crystalline powder (fully water-soluble)

  • Color: Brilliant white (no yellow or gray discoloration)

  • Particle Size: 100% passing through 0.5 mm mesh (fine grade); 2–4 mm prilled options available

  • Bulk Density: 1.1 – 1.2 g/cm³

  • pH (1% solution): 6.5 – 7.5 (neutral, non-phytotoxic)

• Packaging Options: 25 kg laminated woven bags with inner PE liner; 1 MT jumbo bulk bags; 20 MT flexitanks for liquid pre-solutions; custom bulk vessel loading

• Shelf Life: 36 months from production date when stored in dry, well-ventilated conditions (<40°C, <70% RH)

3. Core Industrial Applications

• Primary Industries: Controlled environment agriculture (greenhouses, vertical farms), specialty open-field crops (tomatoes, citrus, coffee, tobacco), concentrated solar power (CSP), and technical glass manufacturing.

• Operational Use Cases:

  • Agriculture: Used in fertigation during fruit bulking and ripening stages. Eliminates chloride toxicity common in muriate of potash (MOP), preventing leaf burn and improving fruit firmness, Brix (sugar), and storage life.

  • Solar Energy: As a binary nitrate salt (mixed with sodium nitrate) for thermal energy storage, allowing CSP plants to generate electricity for 7+ hours after sunset.

• Why It Performs Better:

  • Efficiency: 100% solubility vs. 85-95% for SOP (sulfate of potash) – no nozzle clogging.

  • Durability: Zero chloride content reduces corrosion on drip tape, pumps, and stainless steel storage tanks by 60-70% compared to standard potassium sources.

  • Cost Advantage: Higher nutrient density (46% K₂O) reduces shipping weight per unit of potassium delivered, lowering landed cost-per-ton of active nutrient.

4. Competitive Advantages

• Quality Consistency: ISO 22000 & REACH-certified production with batch-specific COA (Certificate of Analysis) guaranteeing ≤0.05% chloride and ≤0.01% heavy metals (Pb, As, Cd).

• Supply Reliability: Multi-continent sourcing (Chile, Israel, Jordan) with buffer stock warehoused in Rotterdam, Houston, and Shanghai – mitigating regional logistics disruptions.

• Logistics Capability: 48-hour dispatch for FCL orders; dedicated rail-to-ship transfer for inland origins.

• Price Competitiveness: Direct mill contracts eliminate 2–3 intermediary margins; dynamic hedging against KNO₃ global benchmark index.

• Sustainability: Produced using low-carbon vacuum crystallization (vs. thermal decomposition); zero-liquid discharge facilities. Compliant with EU Deforestation Regulation (EUDR) and Rainforest Alliance sourcing protocols.

• Technical Support: Free on-demand solubility modeling, tank mix compatibility charts, and CSP-grade thermal cycling data provided via secure client portal.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): 20 metric tons (MT) – equivalent to one full 20-ft general-purpose container.

• Loading Capacity:

  • 20-ft Standard Container (GP): 20 MT (net) in 25 kg bags palletized.

  • 20-ft Bulk Liner Container: 22 MT (net) – loose fill with inflatable dunnage bags.

  • 40-ft High Cube: 26 MT (net) – jumbo bags only, subject to floor load limits (max 28 MT with reinforced flooring).