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HomeProduct name listPotassium hypophosphite

Potassium hypophosphite

  • CAS NO.:7782-87-8
  • Empirical Formula: H2KO2P
  • Molecular Weight: 104.09
  • MDL number: MFCD00054130
  • EINECS: 231-967-9
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-08-21 22:41:43
Potassium hypophosphite Structural

What is Potassium hypophosphite?

Chemical properties

White, opaque crystals or powder; pun- gent saline taste; very deliquescent. Soluble in water and alcohol; decomposed by heat.

Production Methods

Potassium hypophosphite, KH2PO2, white solid, soluble, formed (1) by reaction of hypophosphorous acid and potassium carbonate solution, and then evaporating, (2) by reaction of potassium hydroxide solution and phosphorus on heating (poisonous phosphine gas evolved).

Hazard

Moderate fire risk, may explode if ground with chlorates, nitrates, or other strong oxidizing agents.

Flammability and Explosibility

Not classified

Properties of Potassium hypophosphite

Melting point: decomposes [CRC10]
Density  1.99[at 20℃]
solubility  very soluble in H2O; soluble in ethanol
form  white hygroscopic crystals
color  white hygroscopic crystals, crystalline
Water Solubility  200g/100mL H2O (25°C) [CRC10]
Merck  13,7725
CAS DataBase Reference 7782-87-8(CAS DataBase Reference)
EPA Substance Registry System Potassium hypophosphite (7782-87-8)

Safety information for Potassium hypophosphite

Computed Descriptors for Potassium hypophosphite

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