Monopotassium Phosphate — KH2PO4

Price range: € 9.95 through € 14,100.00

Monopotassium Phosphate (KH2PO4), CAS 7778-77-0. Substance identity, physical and chemical data.

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3D model Monobasic potassium phosphate, CAS 7778-77-0, molecular formula H₂KO₄P, molar mass 136.086 g/mol
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Description

CAS Registry Number: 7778-77-0 · Formula KH2PO4 · All grades on this page are supplied against this CAS number.

Monopotassium Phosphate (KH2PO4) is identified by CAS registry number 7778-77-0. Molar mass 136.08 g/mol. PubChem CID 516951.

Synonyms in trade and literature: MKP; KDP; potassium dihydrogen phosphate.

This page covers the substance itself. Commercial grades and physical forms — which differ in particle size, purity tier and production route — are described on the corresponding catalogue page.

Chemical and regulatory data below are generated from public reference sources by the site engine and are keyed to the CAS number.

Two grades on one ladder. Pack sizes from 100 g to 25 kg are supplied as laboratory grade (typically ≥99 % p.a. / ACS / Ph. Eur.), where the price is dominated by packaging, quality control and handling rather than by material. Tonnage quantities are supplied as technical grade and priced on a commodity basis. The price per kilogram therefore drops sharply between the 25 kg and 1 t steps — these are different products, not a pricing error.

Additional information

Weight N/A
Pack size

1 g, 10 g, 100 g, 250 g, 500 g, 1 kg, 5 kg, 25 kg, 1 t, 10 t

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Extended Bibliography (3)

  1. ★★☆☆☆ CROSSREF 🔓 OPEN ❓ unverified Anonymous. "Monobasic Potassium Phosphate.". https://doi.org/10.31003/uspnf_m67820_05_01. link [accessed: 2026-08-23] CC0 (metadata)
  2. ★★☆☆☆ CROSSREF 🔓 OPEN ❓ unverified Anonymous. "Monobasic Potassium Phosphate.". https://doi.org/10.31003/uspnf_xr2481_01_01. link [accessed: 2026-08-23] CC0 (metadata)
  3. ★★☆☆☆ CROSSREF 🔓 OPEN ❓ unverified Anonymous. "Monobasic Potassium Phosphate.". https://doi.org/10.31003/uspnf_xr2481_02_01. link [accessed: 2026-08-23] CC0 (metadata)
Data from PubChemSource: PubChem (NIH) · ChEMBL
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