Potassium Dihydrogen Phosphate

White crystalline material in a glass dish in an MKP product photo

Phosphate Related Products

Product
Potassium Dihydrogen Phosphate

Overview

Potassium dihydrogen phosphate (MKP) is a white crystalline powder that dissolves readily in water to give a slightly acidic solution. It supplies both phosphorus and potassium and is widely used in agriculture and industry.

Also known as

MKP; Monopotassium phosphate; Potassium phosphate monobasic

CAS number

7778-77-0

Molecular formula

KH2PO4

Molecular weight

136.09

Specifications

Test itemsSpecifications
AppearanceWhite crystalline powder
Content /%≥98.0
Sulfate (as SO4) /%≤0.5
Chloride /%≤0.01
Fe content /(mg/kg)≤30
Heavy metals (as Pb) /(mg/kg)≤10
Water insoluble matter /%≤0.1
pH3.0-5.0

Applications

  • Water-soluble fertilizer (P and K source) for fertigation and foliar feeding
  • Buffering agent and culture-medium nutrient
  • Raw material for other potassium phosphates
  • Industrial uses such as water treatment

Packaging

25 kg/bag (PE-lined); 1000 kg/jumbo bag.

Storage

Store in a dry, ventilated warehouse with the bags kept sealed, as the product absorbs moisture from the air.

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