Melting point :259 °C
Boiling point :318.7±15.0 °C(Predicted)
Density :1.403±0.06 g/cm3(Predicted)
storage temp. :Sealed in dry,Room Temperature
pka :2.74±0.10(Predicted)
form :Solid
color :White to Yellow to Orange
λmax :275nm(H2O)(lit.)
InChI :1S/C5H4N2O2/c8-5(9)4-1-6-3-7-2-4/h1-3H,(H,8,9)
InChIKey :IIVUJUOJERNGQX-UHFFFAOYSA-N
SMILES :OC(=O)c1cncnc1
CAS DataBase Reference :4595-61-3(CAS DataBase Reference)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.