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Acid anhydrides (12)
Carboxylic anhydrides (11)
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MALEIC ANHYDRIDE (24937-72-2, 184288-31-1, 108-31-6)  
Maleic Anhydrides  ·  2,5-Furandiones  ·  2,5 Furandiones
Maleic anhydride is an organic compound with the formula C2H2(CO)2O. It is the acid anhydride of maleic acid. It is a colorless or white solid with an acrid odor.
PHTHALIC ANHYDRIDE (68411-80-3, 85-44-9)  
phthalic acid anhydride  ·  1,3-isobenzofurandione  ·  1,2-benzenedicarboxylic anhydride
Phthalic anhydride is the organic compound with the formula C6H4(CO)2O. It is the anhydride of phthalic acid. Phthalic anhydride is a principal commercial form of phthalic acid.
DMMA  ·  2,3-dimethyl maleic anhydride
Citraconic anhydride (616-02-4)  
2-methylmaleic anhydride
4-Chlorophthalic anhydride (118-45-6)  
4-Chlorophthalic anhydride is a monochlorinated aromatic anhydride. It is an isomer of 3-chlorophthalic anhydride and a derivative of phthalic anhydride.
3-Chlorophthalic anhydride (117-21-5)  
3-Chlorophthalic anhydride is a monochlorinated aromatic anhydride. It is an isomer of 4-chlorophthalic anhydride and a derivative of phthalic anhydride.
acetic anhydride, 3H-labeled
Acetic anhydride, or ethanoic anhydride, is the chemical compound with the formula (CH3CO)2O. Commonly abbreviated Ac2O, it is the simplest isolable anhydride of a carboxylic acid and is widely used as a reagent in organic synthesis. It is a colorless liquid that smells strongly of acetic acid, which is formed by its reaction with moisture in the air.
19438-60-9 (19438-60-9, 25550-51-0)  
4-methylhexahydrophthalic anhydride  ·  MHHPA-4  ·  4-MCDCA anhydride
Trifluoroacetic anhydride (TFAA) is the acid anhydride of trifluoroacetic acid. It is the perfluorinated derivative of acetic anhydride. Like many acid anhydrides, it may be used to introduce the corresponding trifluoroacetyl group.
3-bromofuran-2,5-dione (5926-51-2)  
bromomaleic anhydride
Methacrylic anhydride is a liquid which reacts with water exothermically.
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