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CAS 6303-21-5

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Phosphinic acid

Description:
Phosphinic acid, with the CAS number 6303-21-5, is an organophosphorus compound characterized by the presence of a phosphorus atom bonded to a hydroxyl group (-OH) and a hydrogen atom, making it a simple phosphonic acid. It typically appears as a colorless to pale yellow liquid and is soluble in water and organic solvents. Phosphinic acid is known for its role as a reducing agent and is utilized in various chemical syntheses and applications, including as a stabilizer in polymer formulations and as a precursor in the production of phosphine derivatives. The compound exhibits moderate acidity, with a pKa value indicating its ability to donate protons in solution. Additionally, phosphinic acid can participate in various chemical reactions, including esterification and amidation, making it versatile in organic synthesis. Safety considerations include handling it with care, as it may pose health risks upon exposure. Overall, phosphinic acid is an important compound in both industrial and research settings due to its unique chemical properties.
Formula:H3O2P
InChI:InChI=1S/H3O2P/c1-3-2/h3H2,(H,1,2)
InChI key:InChIKey=ACVYVLVWPXVTIT-UHFFFAOYSA-N
SMILES:[PH2](=O)O
Synonyms:
  • Acide phosphinique
  • Acido Fosfinico
  • Dihydroxyphosphine
  • Hydroxyphosphine oxide
  • Hypophosphorous acid
  • Phosphine oxide, hydroxy-
  • Phosphinsaure
  • Phosphonous acid
  • Phosphinic acid
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