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Arsenous acid

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Arsenous acid

Molecular formula: H3AsO3 CAS# 13464-58-9
Categories: Inorganic acids
Names
English:
AC1L19H7
Arsenic (white)
Arsenic oxide (3)
Arsenic sesquioxide (As2O3)
Arsenious acid
Arsenous acid [Wiki]
Arsenous acid (9CI)(CAS)
Arsorous acid(IUPAC)
EINECS:215-481-4
TRIHYDROXYARSENITE(III)
arsenous oxide anhydride
German:
Arsen(III)-Säure
Arsenige Säure [Wiki]
العربية:
حمض الزرنيخوز [Wiki]
Español:
Ácido arsenioso [Wiki]
French:
Acide orthoarsénieux(IUPAC) [Wiki]
Italiano:
Acido arsenioso [Wiki]
Acido triossoarsenico (III)(IUPAC)
Triossoarseniato (III) di triidrogeno
日本語:
亜ヒ酸 [Wiki]
中文:
亚砷酸 [Wiki]
Русский:
ортомышьяковистая кислота

Variants of the formula:

H3AsO3
H(+1)3As(+3)O(-2)3
HO/As<_(A75,w+)OH>_(A15,d+)OH
As(OH)3
HO-As<`|OH>-OH
HO\As<|OH>/OH
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Arsenous acid is involved

  • H3AsO4 + 2HI -> H3AsO3 + I2 + H2O
  • AsCl3 + 3H2O -> As(OH)3 + 3HCl