| Identification | More | [Name]
VIOLURIC ACID | [CAS]
87-39-8 | [Synonyms]
5-HYDROXYIMINOBARBITURIC ACID
5-ISONITROSOBARBITURIC ACID
ALLOXAN-5-OXIME
VIOLURIC ACID
2,4,5,6(1H,3H)-Pyrimidinetetrone, 5-oxime
2,4,5,6(1H,3H)-Pyrimidinetetrone,5-oxime
5-(Hydroxyimino)pyrimidine-2,4,6(1H,3H,5H)-trione | [EINECS(EC#)]
201-741-4 | [Molecular Formula]
C4H3N3O4 | [MDL Number]
MFCD00006032 | [Molecular Weight]
157.08 | [MOL File]
87-39-8.mol |
| Chemical Properties | Back Directory | [Appearance]
LIGHT YELLOW CRYSTALLINE POWDER | [Melting point ]
240-250 °C (dec.) | [Boiling point ]
281.7°C (rough estimate) | [density ]
1.8278 (rough estimate) | [vapor pressure ]
0Pa at 25℃ | [refractive index ]
1.5000 (estimate) | [storage temp. ]
under inert gas (nitrogen or Argon) at 2-8°C | [solubility ]
Aqueous Acid (Sparingly), DMSO (Sparingly), Methanol (Slightly) | [form ]
Solid | [pka]
4.7(at 25℃) | [color ]
Off-White | [Water Solubility ]
7.04g/L at 20℃ | [Merck ]
10000 | [Stability:]
Hygroscopic | [LogP]
-1.2 at 25℃ | [CAS DataBase Reference]
87-39-8(CAS DataBase Reference) | [EPA Substance Registry System]
2,4,5,6(1H,3H)-Pyrimidinetetrone, 5-oxime (87-39-8) |
| Safety Data | Back Directory | [Hazard Codes ]
Xi | [Risk Statements ]
R36/37/38:Irritating to eyes, respiratory system and skin . | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing . | [WGK Germany ]
3
| [RTECS ]
BA4225000
|
| Hazard Information | Back Directory | [Chemical Properties]
LIGHT YELLOW CRYSTALLINE POWDER | [Uses]
Analytical reagent for chromatographic separation of cations. Forms chelates: Leermakers, Hoffman, J. Am. Chem. Soc. 80, 5663 (1958). | [Uses]
Violuric Acid, can be used for the synthesis of some novel pyrimidines fused aza-heterocycles, having broad spectrum of pharmacological activities, such as 2-Methyloxazolo[5,4-d]pyrimidine-5,7(4H,6H)-dione (M324600). | [Flammability and Explosibility]
Notclassified | [storage]
Store at -20°C |
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