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CAS Number. 2258-42-6 3D model ... Acetic formic anhydride is an organic compound with the chemical formula C 3 H 4 O 3, which can be viewed as the mixed anhydride of ...
The worldwide production of acetic anhydride is a major application, and uses approximately 25% to 30% of the global production of acetic acid. The main process involves dehydration of acetic acid to give ketene at 700–750 °C. Ketene is thereafter reacted with acetic acid to obtain the anhydride: [50] CH 3 CO 2 H → CH 2 =C=O + H 2 O
CAS Number. 1558-67-4 3D model ... It can also be obtained by disproportionation of acetic formic anhydride. [4] Properties. Formic anhydride is a liquid with boiling ...
Formic acid: 101.0 2.4 8.0 –2.77 K b & K f [1] Naphthalene: 217.9 78.2 –6.80 Nitrobenzene: 210.8 5.24 5.7 –7.00 Phenol: 181.75 3.60 43.0 –7.27 K f [2] K b [1] Water: 100.00 0.512 0.00 –1.86 K b & K f [2] Ethyl Acetate: 77.1 [5] Acetic Anhydride: 139.0 [6] Ethylene Dichloride: 1.25 83.5 −35 [7] Acetonitrile: 0.78 81.6 −45 [8 ...
A common type of organic acid anhydride is a carboxylic anhydride, where the parent acid is a carboxylic acid, the formula of the anhydride being (RC(O)) 2 O. Symmetrical acid anhydrides of this type are named by replacing the word acid in the name of the parent carboxylic acid by the word anhydride. [2] Thus, (CH 3 CO) 2 O is called acetic ...
Acetic anhydride, or ethanoic anhydride, is the chemical compound with the formula (CH 3 CO) 2 O. Commonly abbreviated Ac 2 O , it is the simplest isolable anhydride of a carboxylic acid and is widely used as a reagent in organic synthesis .
Other electrophilic aromatic substitution reactions can also be promoted with trifluoroacetic anhydride, including nitration, sulfonation and nitrosylation. [2] Similar to acetic anhydride, trifluoroacetic anhydride can be used as a dehydrating agent and as an activator for the Pummerer rearrangement. [4]
This is a list of common chemical compounds with chemical formulae and CAS numbers, ... acetic anhydride: 108-24-7 CH 3 Cl: ... C 10 H 9 NO 2: indole-3-acetic acid ...