Title: Oxamic Acid
CAS Registry Number: 471-47-6
CAS Name: Aminooxoacetic acid
Additional Names: oxamidic acid
Molecular Formula: C2H3NO3
Molecular Weight: 89.05
Percent Composition: C 26.98%, H 3.40%, N 15.73%, O 53.90%
Line Formula: H2NCOCOOH
Literature References: Prepd by heating oxamide in water with ammonia, followed by neutralization of resulting ammonium salt: Toussaint, Ann. 120, 237 (1861).
Properties: Cryst powder from water, or prisms from alcohol, dec about 210 or 214°. Sparingly sol in water. Practically insol in abs alcohol, ether.
Derivative Type: Ammonium salt
Molecular Formula: H2NCOCOONH4
Molecular Weight: 106.08
Percent Composition: H 5.70%, N 26.41%, C 22.64%, O 45.25%
Properties: Monoclinic prisms, dec about 226°. Very slightly sol in cold water, alcohol.
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