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Fertilizer grade · Phosphate fertilizer salt · DKP

Fertilizer Grade Dipotassium Phosphate (DKP)

Dipotassium phosphate is a water-soluble alkaline phosphorus and potassium salt considered for specialty nutrient formulations where its exact hydration state and pH effect are suitable.

Identity
Anhydrous CAS 7758-11-4; K2HPO4
Role
Alkaline soluble phosphorus and potassium salt
Nutrient basis
Confirm guaranteed analysis
Specification
Contact sales
Product sample: Fertilizer Grade Dipotassium Phosphate (DKP)

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 DKP?

Dipotassium phosphate is a water-soluble alkaline phosphorus and potassium salt considered for specialty nutrient formulations where its exact hydration state and pH effect are suitable.

No universal fertilizer grade is implied by the abbreviation DKP 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
Dipotassium Phosphate (DKP)
Identity
Anhydrous CAS 7758-11-4; K2HPO4
Form
Anhydrous or hydrated form—confirm exact identity
Function
Alkaline soluble phosphorus and potassium salt
Application review
Crop, soil, formula and market specific
Product specification
Request the offered grade’s specification

Procurement checklist

How to source fertilizer-grade DKP 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

DKP fertilizer application guide

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

Specialty fertilizer formulations

Evaluate DKP where the complete formulation calls for its potassium-phosphate composition. Use a current source specification for the nutrient balance.

Buffered nutrient concentrates

Test the required pH behavior in the full concentrate. Include storage time, temperature and other mineral salts.

Soilless formulation trials

Have the agronomist define the nutrient target and acceptable solution chemistry. Validate the complete program for the crop and system.

Fertilizer blending

Confirm handling and compatibility with the other ingredients. A soluble raw material still requires validation in the final fertilizer.

Technical selection

Questions to resolve before approving DKP

Chemical and hydration form

Specify the exact dipotassium phosphate form and assay. Confirm the analytical basis before comparing potassium and phosphorus contributions.

Nutrient declaration

Request the offered grade's P2O5 and K2O analysis and relevant fertilizer documentation. Do not derive a commercial guarantee from a formula alone.

Solution behavior

Measure solution pH and compatibility at the intended concentration. Review the complete salt mixture, source water and precipitation risk.

Agronomic justification

Define why the formulation needs this alkaline phosphate rather than another phosphorus source. Obtain local agronomic and market qualification for the proposed use.

Private technical documentation

Request the current DKP 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 DKP 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

DKP fertilizer FAQ

What is DKP used for in fertilizer products?

Dipotassium phosphate is a water-soluble alkaline phosphorus and potassium salt considered for specialty nutrient formulations where its exact hydration state and pH effect are suitable. Use should follow soil or tissue testing, crop recommendations and applicable fertilizer rules.

What nutrient grade should buyers request for DKP?

No universal fertilizer grade is implied by the abbreviation DKP. 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 DKP 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 DKP?

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 DKP 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: Foliar Phosphorus & Potassium with MKP; Greenhouse Fertilizer Stock Tank Compatibility; Water-Soluble Fertilizer Raw Material Quality. Use the guides for process questions; confirm the exact supplied grade separately.

Specification-led fertilizer sourcing

Request a DKP 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

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.