Title: Allantoin
CAS Registry Number: 97-59-6
CAS Name: (2,5-Dioxo-4-imidazolidinyl)urea
Additional Names: 5-ureidohydantoin; glyoxyldiureide; cordianine
Molecular Formula: C4H6N4O3
Molecular Weight: 158.12
Percent Composition: C 30.38%, H 3.82%, N 35.43%, O 30.36%
Literature References: Product of purine metabolism. Prepd synthetically by the oxidation of uric acid with alkaline potassium permanganate: Org. Synth. coll. vol. II, 23 (1943). By heating urea with dichloroacetic acid: C. N. Zellner, J. R. Stevens, US 2158098 (1939 to Merck & Co.) Acetyl derivs: Biltz, Loewe, J. Prakt. Chem. 141, 291 (1934). Optically active forms have been obtained by extraction procedures.
Derivative Type: Racemic Form
Properties: Monoclinic plates or prisms from water, mp 238°. One gram dissolves in 190 ml water, 500 ml alcohol; more sol in hot water and hot alcohol. Almost insol in ether. pH of satd water soln: 5.5.
Melting point: mp 238°
Therap-Cat: Vulnerary.
Therap-Cat-Vet: Vulnerary; debriding agent.
Keywords: Topical Protectant; Vulnerary. |