Monopotassium Phosphate Supplier | Tech Grade | CAS 7778-77-0 | Rhexan International

Agricultural Chemicals

Rhexan International supplies monopotassium phosphate (MKP) technical grade (CAS 7778-77-0), a fully water-soluble source of phosphorus and potassium with zero nitrogen — ideal for fertigation, hydroponics, and foliar feeding programs. Sourced from qualified manufacturers including Mianyang Aostar Phosphorus Chemical Industry Co., Ltd, our MKP meets GB10205-2001 standards with guaranteed NPK analysis of 0-52-34.

Monopotassium Phosphate Product Specifications

ParameterSpecification
Chemical NameMonopotassium Phosphate
CAS Number7778-77-0
Molecular FormulaKH₂PO₄
Molecular Weight136.09 g/mol
AppearanceWhite crystalline powder
Main Content≥98.0%
Phosphorus Pentoxide (P₂O₅)≥51.5%
Potassium Oxide (K₂O)≥34.0%
Guaranteed Analysis (N-P₂O₅-K₂O)0-52-34
Chloride (as Cl)≤0.2%
pH (1% water solution)4.4 – 4.8
Moisture≤0.20%
Water Insoluble≤0.10%
Heavy Metals (Pb, As, Hg, Cd, etc.)Within regulatory limits
StandardGB10205-2001
GradeTechnical
Packaging25 kg bags; bulk on request

Applications of Monopotassium Phosphate

  • Fertigation & Drip Irrigation: Fully water-soluble with no chloride, making it ideal for drip and micro-irrigation systems where clogging must be avoided.
  • Hydroponics: A primary P and K source in hydroponic nutrient formulations; compatible with most other water-soluble fertilizers.
  • Foliar Feeding: Used in foliar spray programs to boost phosphorus and potassium uptake at critical crop growth stages.
  • NPK Blending: Serves as a phosphorus-potassium component in custom blended fertilizer formulations.
  • Industrial & Technical Uses: Used as a buffering agent, flame retardant component, and in food-grade and industrial chemical processes.

Why Source MKP from Rhexan?

  • Verified Quality: Each shipment backed by Certificate of Analysis with full elemental and purity data, including heavy metals panel.
  • Established Supply Chain: Direct relationships with audited phosphate manufacturers in China, ensuring consistent availability and competitive pricing.
  • Flexible Quantities: Available in 25 kg bags or bulk container loads to match your volume requirements.
  • Full Documentation: COA, SDS, and import documentation provided with every order.
  • Responsive Service: Fast quotes and dedicated support from inquiry through delivery.

Ready to source monopotassium phosphate for your operation? Contact Rhexan International today for current pricing, availability, and technical documentation.