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Monopotassium Phosphate (MKP)

KH₂PO₄  |  CAS: 7778-77-0  |  HS: 28352400

Product Description

Monopotassium Phosphate is the phosphate fertiliser of choice for fertigation (drip irrigation) in high-value horticulture and greenhouse production — providing both phosphorus (P) and potassium (K) in a fully water-soluble, chloride-free form with slightly acidic pH that improves nutrient availability in calcareous soils. Its high purity, clean dissolution, and compatibility with most liquid fertilisers make it the standard P-K source in precision fertigation programmes. In food and pharmaceutical applications it serves as a pH buffer and mineral nutrient. MITCHEM exports agricultural and food grades.

Applications by Industry

Fertigation & Drip Irrigation

The standard water-soluble P-K fertiliser for drip irrigation systems in tomatoes, peppers, cucumbers, strawberries, and orchards — fully soluble with no residue that could block drippers.

Foliar Fertiliser

Applied as a foliar spray for phosphorus and potassium supplementation during fruit fill and maturation stages; its low salt index reduces leaf burn risk.

Food Additive (E340i)

Used as a pH regulator, emulsifying salt, and phosphate source in food and beverage applications including sports drinks, processed foods, and dairy products.

Pharmaceutical Buffer (USP)

Component in phosphate buffer saline (PBS) and pharmaceutical buffer systems for IV infusions, biologics formulation, and diagnostic reagent preparation.

Packaging Options

25 kg Bags50 kg Bags1 MT Super Sacks

Technical Specifications

Molecular FormulaKH₂PO₄
Molecular Weight136.09 g/mol
CAS Number7778-77-0
HS Code28352400
AppearanceWhite crystalline powder, freely soluble in water, slightly acidic pH ~4.5
Available GradesFood Grade (E340i) / Fertiliser Grade / Technical 98%+ / Pharma Grade

Need a CoA, MSDS/SDS, or sample? Email info@mitchemindustries.com — full documentation available for all grades.

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