Skip to content
Bespring Chemical

Fertilizer grade · Phosphate fertilizer salt · MKP

Fertilizer Grade Monopotassium Phosphate (MKP)

Monopotassium phosphate is a water-soluble, chloride-free phosphorus and potassium salt evaluated for specialty fertilizers, fertigation and foliar formulations.

Identity
CAS 7778-77-0; KH2PO4
Role
Concentrated phosphorus and potassium source
Nutrient basis
Confirm guaranteed analysis
Specification
Contact sales
Product sample: Fertilizer Grade Monopotassium Phosphate (MKP)

Product image · confirm grade and packaging when ordering

Share guaranteed analysis, form, fertilizer use, quantity, destination and documents.

GradeFertilizer application

SpecificationAvailable privately from sales

QualificationAnalysis and trials required

ComplianceLabel and market specific

Direct product answer

What is fertilizer-grade MKP?

Monopotassium phosphate is a water-soluble, chloride-free phosphorus and potassium salt evaluated for specialty fertilizers, fertigation and foliar formulations.

0-52-34 is a common fertilizer designation; supplied analysis varies Chemical identity alone does not establish fertilizer grade, nutrient guarantee, solubility, crop suitability or market registration. Compare the offered source against the required label and agronomic program.

Procurement snapshot

Product
Monopotassium Phosphate (MKP)
Identity
CAS 7778-77-0; KH2PO4
Form
Water-soluble crystalline material—confirm grade
Function
Concentrated phosphorus and potassium source
Application review
Crop, soil, formula and market specific
Product specification
Request the offered grade’s specification

Procurement checklist

How to source fertilizer-grade MKP in bulk

Compare the offered grade, application requirements and commercial terms before requesting a sample or placing an order.

Product identity and grade

State the exact identity, grade, guaranteed nutrient analysis, form, application, quantity, packing and destination.

Quotation and delivery basis

Compare source-specific specification, nutrient declaration, current COA, packing, Incoterm and delivery window.

Application and process requirements

Where relevant, confirm solubility, insolubles, source-water compatibility, stock concentration and crop program.

Technical and quality documents

Request SDS, private specification or TDS, representative COA, batch COA, traceability and destination-market files.

Application screening

MKP fertilizer application guide

These are qualification areas, not universal crop recommendations, nutrient rates, label approvals or guaranteed agronomic outcomes.

Water-soluble fertilizer blends

Balance the phosphorus and potassium contribution against the complete nutrient program. Confirm the required grade before comparing supplier quotations.

Fertigation stock solutions

Check source-water chemistry, concentration, hold time and injection ratio. Evaluate precipitation and emitter protection under the actual conditions.

Foliar formulation trials

Confirm local permitted use and crop-specific agronomic advice. Conduct compatibility and crop-tolerance assessment for the complete formulation.

Greenhouse nutrient programs

Select MKP within the complete nutrient balance for the crop stage and substrate. Account for water composition and other fertilizer salts.

Technical selection

Questions to resolve before approving MKP

Phosphorus and potassium declaration

Request the P2O5 and K2O guarantees and their test basis. Distinguish oxide-equivalent fertilizer declarations from elemental nutrient percentages.

Fertilizer qualification

Confirm the offered grade's intended fertilizer use and destination documents. Food or technical grade terminology does not replace a fertilizer specification.

Dissolution and impurities

Agree water-insoluble matter, moisture and relevant sodium, chloride and elemental limits. Evaluate the selected grade in the intended source water.

Stock-solution compatibility

Test the complete concentrate at operating concentration and temperature. Review calcium-containing stocks separately before defining the tank arrangement.

Private technical documentation

Request the current MKP fertilizer specification

Bespring Chemical does not publish product specifications for this fertilizer raw material online. Contact sales for the current source-specific specification or TDS and confirm its revision, analytical methods and acceptance criteria.

Product documents

Request the signed current specification or TDS, SDS, test methods, representative COA and batch COA.

Nutrient and market documents

Confirm guaranteed analysis, expression basis, labeling, fertilizer registration, trace elements and destination requirements.

Agronomic note: This supplier page does not prescribe nutrient rates or establish crop suitability. Base fertilizer selection and application on soil, water and tissue data, qualified agronomic advice, compatibility testing, the approved label and local environmental requirements.

Storage and handling

Handle MKP under the current SDS

  • StorageKeep packaging closed and protect the exact grade from moisture, contamination and incompatible materials.
  • CompatibilityBench-test dissolution and mixing order; concentrated calcium, magnesium or micronutrient solutions may precipitate with phosphate.
  • Workplace controlsFollow the current SDS for dust control, PPE, spill response, transport and disposal.

Fertilizer buyer questions

MKP fertilizer FAQ

What is MKP used for in fertilizer products?

Monopotassium phosphate is a water-soluble, chloride-free phosphorus and potassium salt evaluated for specialty fertilizers, fertigation and foliar formulations. Use should follow soil or tissue testing, crop recommendations and applicable fertilizer rules.

What nutrient grade should buyers request for MKP?

0-52-34 is a common fertilizer designation; supplied analysis varies. Request the current source-specific guaranteed analysis and confirm whether nutrients are expressed as N, P2O5 and K2O or on another legally required basis.

Why is there no public MKP specification?

Bespring Chemical does not publish fertilizer product specifications online. Contact sales for the current source-specific specification or TDS, analytical methods and representative COA.

Is this the same as food-grade MKP?

No grade is established by the chemical name alone. Fertilizer, food and technical products have different intended uses, documentation, impurity controls and regulatory requirements.

What should a MKP fertilizer RFQ include?

Provide the exact identity and form, required guaranteed analysis, fertilizer application, quantity, packing, destination, registration documents, Incoterm and delivery date.

Content updated 2026-09-13.

Related sourcing

Related fertilizer materials and applications

Supply Services

Review sourcing and export support for international chemical procurement.

Application and selection guides: MKP vs MAP for Fertigation & Stock Tanks; Foliar Phosphorus & Potassium with MKP; Greenhouse Fertilizer Stock Tank Compatibility. Use the guides for process questions; confirm the exact supplied grade separately.

Related application guidance: Water-Soluble Fertilizer Raw Material Qualification.

Specification-led fertilizer sourcing

Request a MKP fertilizer specification and quote

Share guaranteed analysis, grade and form, fertilizer application, critical limits, quantity, packing, destination and document list.

  • Current private specification or TDS
  • Representative and batch COA
  • SDS, packing and transport confirmation
  • Source-specific documents on request

Form & analytics information

Other grades and sector uses

These pages cover related materials for different sectors. Grades, specifications and permitted uses must be selected for the intended application.

Product documents

Request documents

Tell us your grade and destination market so we can confirm which documents are available for your order.

An external reference is not a batch certificate or a Bespring product specification.