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Mono Potassium Phosphate Fertilizer: Boost Plant Growth Efficiently
Aug . 05, 2025 10:00 Back to list

Mono Potassium Phosphate Fertilizer: Boost Plant Growth Efficiently

Explore the advanced world of Mono Potassium Phosphate (MKP)—from production process and technical indicators to global application cases, product advantages, and customized solutions. A data-driven guide to monopotassium phosphate and mkp fertilizer for progressive industries.

Industry Trends of Mono Potassium Phosphate (MKP)

As a leading water-soluble phosphate fertilizer, mono potassium phosphate is increasingly pivotal in modern agriculture, specialty chemicals, and water treatment. Global demand for MKP fertilizer has exhibited a CAGR of 5.6% (2021-2024, source) owing to its unrivaled purity, high NPK value (0-52-34), and eco-friendly characteristics.

  • Rising adoption in precision agriculture and fertigation systems
  • Growing popularity in seed coating & foliar application
  • Emergence in non-agricultural sectors: fire retardants, ceramics, electronics
  • Stringent demands for ISO-compliant, food & pharma grade monopotassium phosphate

Mono Potassium Phosphate (MKP) Product Specifications

Parameter MKP Standard Value Test Method / Reference
Chemical Formula KH2PO4 Molecular Analysis
Appearance White crystalline powder Visual Inspection
P2O5 Content ≥52.0% GB/T 10205-2021
K2O Content ≥34.0% GB/T 10205-2021
Moisture <0.5% Drying at 105°C
pH (1% Solution) 4.2-4.7 ISO 10523
Water Solubility ~230g/L @ 20°C Empirical Test
Heavy Metals <10 ppm ICP-MS (ISO 11885)
* Conforming to ISO 9001, REACH, and FDA food safety standards where applicable.

Manufacturing Process of Mono Potassium Phosphate

The typical manufacturing process of mono potassium phosphate involves high-purity raw materials, rigorous controls, and advanced technology to ensure optimum quality for agrochemical and industrial uses.

Phosphoric Acid (H3PO4) + Potassium Carbonate K2CO3 / KOH Reaction at 80-120°C Filtration & Purification Crystallization MKP
  • Raw Materials: Food/pharma grade phosphoric acid (H3PO4), high-purity potassium carbonate (K2CO3) or potassium hydroxide (KOH)
  • Reaction: Conducted under controlled temperature (80–120°C) for optimum conversion
  • Filtration/Purification: Removal of insoluble matter and color-imparting impurities
  • Crystallization: Slow cooling for optimal crystal formation and flowability
  • Final Product: High purity mono potassium phosphate (MKP, KH2PO4)

The production is strictly governed by ISO 9001, REACH, and SGS inspection protocols, ensuring each batch of MKP fertilizer meets the highest global standards (ISO/TC 134: Fertilizers and soil conditioners).

Product Image: mono potassium phosphate

Mono Potassium Phosphate Fertilizer: Boost Plant Growth Efficiently

The micro-granular, free-flowing nature and high solubility of mono potassium phosphate make it suitable for modern fertigation and hydroponics.

  • Uniform granule size: 0.1–0.3 mm
  • No caking, fast-dissolving
  • Innovative packaging with anti-moisture laminates

Product Comparison: MKP vs. Other Phosphate Fertilizers

MKP stands out with its balanced potassium (34%) and phosphorus (52%) and zero nitrogen, making it ideal for chloride-sensitive crops, precision nutrition, and as base for fertilizer customization.

Application Sectors of Monopotassium Phosphate

  • Fertigation/Drip irrigation: Enhances yield & root development (62%)
  • Food Industry: Emulsification, pH regulator, yeast nutrition (12%)
  • Water Treatment: Scale/corrosion inhibitor (8%)
  • Fire Retardants: As ingredient in fire extinguishing powders (7%)
  • Ceramic/Electroplating: Flux and buffer functions (6%)
  • Feed Additives: Mineral nutrition for livestock (5%)

Key Technical Advantages of Mono Potassium Phosphate

  • Purity & Solubility: Water solubility up to 230g/L @ 20°C (no precipitation), ensures total uptake via fertigation.
  • Material: Ultra-fine crystal structure, free from chloride, sodium, and heavy metals.
  • Flexibility: Non-hygroscopic, free-flowing, easy integration with other NPKs and micronutrients.
  • Corrosion Inhibition: Phosphate ions act as safe corrosion inhibitors for water networks (meets NSF/ANSI Standard 60 requirements).
  • Energy-Saving: Efficient conversion reduces energy input by 8% compared to conventional triple superphosphate.

Industrial Case: Steel Pipe Company, Hebei, China

In 2022, a major steel pipe factory adopted mono potassium phosphate as anti-scaling agent. Their cooling water circuits displayed a 39% decrease in calcium deposits (ISO 9227:2017), enhancing pipe lifespan by 18% and reducing energy use for cleaning maintenance.

Agricultural Case: Greenhouse Tomato Grower, Spain

MKP fertilizer was integrated into a drip fertigation schedule, raising average fruit set by 16% compared to MAP baseline, and reducing total fertilizer salt index by 19%.

Top MKP Manufacturers Comparison

Company Production Capacity (tons/year) Certifications Key Markets Competitive Edge
FIZA Chemical 45,000 ISO 9001, REACH, SGS Europe, SE Asia, Americas Custom granulation, rapid delivery, expert support
Haifa Group 55,000 ISO 14001, NSF Global Organic grade, premium purity
Nutrien 60,000 REACH, HACCP Americas, Europe Integrated supply chain, diversified grades
China BlueChem 37,000 ISO 9001 Asia-Pacific Competitive pricing, flexible packaging
  • FIZA Chemical offers fully traceable, batch-tested mkp fertilizer with quality assurance from raw material sourcing to finished product delivery (complete testing per ISO, ANSI/ASAE S318.17).
  • Bulk, jumbo, or custom sachet packaging available for global bulk buyers.

Customization, Delivery and Service Commitment

  • Grades Offered: Agriculture, Food, Feed, Reagent, and Industrial
  • Particle Size: Micro (0.1 mm), Fine (0.3 mm), or as specified
  • Packaging: 25kg, 50kg, or 1000kg FIBC bags; moisture/barrier coated
  • Lead Time: 7–14 days (bulk, FCL); express sample dispatch within 48h
  • Warranty: 2-year shelf life with complete Certificates of Analysis per lot
  • Tech Support: Remote & on-site agronomy and industrial consultation

Orders are protected by FIZA Chemical’s full satisfaction policy and 24/7 technical support.

FAQs about Mono Potassium Phosphate (MKP)

1. What is the chemical structure of mono potassium phosphate?
Mono potassium phosphate (KH2PO4) is a compound of potassium cation (K+) and dihydrogen phosphate anion (H2PO4-).
2. What are the main mkp fertilizer uses in agriculture?
As a source of highly plant-available phosphorus and potassium, MKP is widely applied for root growth, fruiting, flower development, and as a foliar feed for crops requiring chloride-free nutrition.
3. How do you ensure MKP product quality?
FIZA Chemical follows ISO 9001:2015 quality systems, multi-parameter batch testing (ICP-MS, titrimetric, UV-Vis), and third-party inspection with COA traceability for every lot.
4. What are the packaging options and shelf life?
Standard is 25kg/50kg/1000kg moisture-resistant bags; shelf life is 2 years under recommended storage.
5. Is MKP fertilizer suitable for organic farming?
Certain grades are suitable for organic farming and comply with NOP standards (subject to certification).
6. What installation standards should be followed for industrial use?
When using MKP in water treatment or industrial dosing, refer to ANSI/ASAE S318.17 and local health & safety protocols for chemical integration.
7. Can mono potassium phosphate be blended with other products?
Yes, MKP is compatible with most NPK fertilizers except calcium/magnesium-based solutions to prevent reactant precipitation.

Delivery, Support & Trust

  • Rapid shipment with international logistics partners (SGS-inspected lots before dispatch)
  • Full documentation: SDS, COA, REACH, ISO, Food Safety
  • Warranty: 24 months against caking, impurity, or solubility failure
  • Direct technical advice from certified agronomists, engineers, and regulatory consultants
  • Global after-sales service & claims resolution within 24h
  • Online tracking from production to final delivery

References & Industry Insights

  1. Markets & Trends: MarketsandMarkets Potassium Fertilizer Report 2023
  2. Standardization: ISO/TC 134: Fertilizers and soil conditioners
  3. Application Cases: Agriculture.com: The Versatile MKP Fertilizer
  4. Technical Forum: Eng-Tips: Industrial Water Treatment MKP
  5. Peer Review: Springer: Crop Response to Phosphate Fertilizers
  6. Community Experience: Mono Potassium Phosphate at IFA Forum
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