Maleamic Acid
Structural Formula Vector Image
Title: Maleamic Acid
CAS Registry Number: 557-24-4
CAS Name: (Z)-4-Amino-4-oxo-2-butenoic acid
Additional Names: maleic acid monoamide
Molecular Formula: C4H5NO3
Molecular Weight: 115.09
Percent Composition: C 41.74%, H 4.38%, N 12.17%, O 41.70%
Literature References: Prepd by passing ammonia into a mixture of maleic anhydride and an inert solvent such as xylene, dioxane, etc.: Robinson, Humburger, US 2459964 (1949 to Beck, Koller).
Properties: Crystals from alcohol, mp 172-173°. Also reported as mp 178-180° (dec). Very sol in water, hot alcohol. Practically insol in ether, chloroform, benzene.
Melting point: mp 172-173°; mp 178-180° (dec)

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