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87-39-8

Name VIOLURIC ACID
CAS 87-39-8
EINECS(EC#) 201-741-4
Molecular Formula C4H3N3O4
MDL Number MFCD00006032
Molecular Weight 157.08
MOL File 87-39-8.mol
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Chemical Properties

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

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

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