Title: 5-Nitrobarbituric Acid
CAS Registry Number: 480-68-2
CAS Name: 5-Nitro-2,4,6(1H,3H,5H)-pyrimidinetrione
Additional Names: dilituric acid
Molecular Formula: C4H3N3O5
Molecular Weight: 173.08
Percent Composition: C 27.76%, H 1.75%, N 24.28%, O 46.22%
Derivative Type: Trihydrate
Properties: Prisms and leaflets from water. mp 176° with decompn, when anhydr. Soluble in ~1200 parts cold water; more sol in hot water; sol in alcohol, in sodium hydroxide soln. Insol in ether.
Melting point: mp 176° with decompn
Use: As a microreagent for potassium with which it forms a characteristic precipitate. |