VIOLURIC ACID Chemical Properties

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)

pka

4.7(at 25℃)

form 

Solid

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 Information

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

26-36

WGK Germany 

3

RTECS 

BA4225000

MSDS

• Language:English Provider:SigmaAldrich

VIOLURIC ACID Usage And Synthesis

Chemical Properties

LIGHT YELLOW CRYSTALLINE POWDER

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).

Uses

Analytical reagent for chromatographic separation of cations. Forms chelates: Leermakers, Hoffman, J. Am. Chem. Soc. 80, 5663 (1958).

Flammability and Explosibility

Not classified

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