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Hypophosphorous acid

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Hypophosphorous acid

Molecular formula: H3O2P CAS# 6303-21-5
Categories: Inorganic acids
ChemSpider ID: 10449263 | CHEBI:29031 | CB6130318
Names
English:
Dihydroxyphosphine
EINECS:228-601-5
Hydroxy(oxo)-λ5-phosphane
Hydroxy-λ5-phosphanone
Hydroxyphosphine oxide
Hypophosphorous acid [Wiki]
Oxo-λ5-phosphanol
Oxo-λ5-phosphinous acid
Phosphine oxide, hydroxy-
Phosphinic acid
Phosphonous acid
Русский:
Фосфорноватистая кислота [Wiki]
гипофосфористая кислота
фосфиновая кислота
German:
Hypophosphorige Säure (veraltet)
Phosphinsäure [Wiki]
Phosphor(I)-säure
Unterphosphorige Säure (veraltet)
French:
Acide hypophosphoreux [Wiki]
hypophosphite d'hydrogène
Italiano:
Acido ipofosforoso [Wiki]
HPA
acido diossifosforico(IUPAC)
acido fosfinico
Português:
Phosphinic acid(IUPAC)
Ácido hipofosforoso [Wiki]
中文:
次磷酸 [Wiki]
次膦酸

Variants of the formula:

H3PO2
OH`\P`|O|<_(A105,w+)H>_(A165,d+)H
HOP(O)H2
HP(OH)2
O=PH2-OH
H2P<||O>-OH
H-P<`||O><|H>-OH
H(PH2O2)
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Hypophosphorous acid is involved

  • PH3 + SO2 -> H3PO2 + S
  • GeO2 + H3PO2 -> GeO + H3PO3
  • GeI4 + H2O + H3PO2 -> GeI2 + H3PO3 + 2HI
  • H(PH2O2) + NaOH -> Na(PH2O2) + H2O
  • 2H(PH2O2) + Ca(OH)2 -> Ca(PH2O2)2 + 2H2O