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Acetic anhydride

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Acetic anhydride

Molecular formula: C4H6O3 CAS# 108-24-7
Categories: Acid anhydride
PubChem CID: 7918
Names
English:
Acetanhydride
Acetic acid anhydride
Acetic acid, 1,1'-anhydride
Acetic acid, anhydride(CAS)
Acetic anhydride
Acetic oxide
Acetyl acetate(IUPAC)
Acetyl anhydride
Acetyl ether
Acetyl oxide
Anhydride acetique
Essigsaeureanhydrid
Ethanoyl ethanoate
UN 1715
anhidrido acetico
ethanoic anhydride(IUPAC)

Variants of the formula:

(CH3CO)2O
/`|O|\O/`|O|\
H3C/C`|O|\O/C`|O|\CH3
CH3`/<`=O>\O`/<`=O>\CH3
H3C-<//O>\O`/<`-H3C>\\O
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Acetic anhydride is involved

  • C6H5OCH3 + (CH3CO)2O → CH3OC6H4C(O)CH3 + CH3COOH
  • Co(CH3COO)2 + 2H2O + 4CH3CO{X} -> Co{X}2 + 2(CH3CO)2O + 2CH3COOH + 2H{X} , where X = Cl Br
  • /`|O|\O/`|O|\ + H2S → /`|O|\SH + /`|O|\OH
  • AlCl3 + 3(CH3CO)2O "180^oC"--> Al(CH3COO)3 + 3CH3COCl
  • 2|\\|`/<`\`|/>|<`/><_(a20)>\OH + /`|O|\O/`|O|\ "26-28^oC"--> 2|\\|`/<`\`|/>|<`/><_(a20)>\O/`|O|\ + H2O