Allantoin

CAS Registry Number:

97-59-6

Synonyms:

(2,5-dioxoimidazolidin-4-yl)urea;Glyoxylic(acid) diureide;urea, N-(2,5-dioxo-4-imidazolidinyl)-;Cutemol emollient;[(4S)-2,5-dioxoimidazolidin-4-yl]urea;5-Ureido-2,4-imidazolidindion;[(4R)-2,5-dioxoimidazolidin-4-yl]urea;Urea, (2,5-dioxo-4-imidazolidinyl)-;Urea, (2,5-dioxo-4-imidazolidinyl)- (9CI);Glyoxyldiureide;Urea, (2, 5-dioxo-4-imidazolidinyl)-;Glyoxylic diureide;(2,5-Dioxo-4-imidazolidinyl)urea;5-Ureidohydantoin;Allantoin (5-Ureidohydantoin);Urea,(2,5-dioxo-4-imidazolidinyl)-;

Molecular Formula:

C₄H₆N₄O₃

Molecular Weight:

158.117

EINECS:

202-592-8

Melting Point:

230 °C (dec.)(lit.)

Solubility:

Slightly soluble in water. Freely soluble in alkalis