Melting point :210-211 °C
Boiling point :307.8±22.0 °C(Predicted)
Density :1.348±0.06 g/cm3(Predicted)
RTECS :NY2560000
storage temp. :Keep in dark place,Sealed in dry,Store in freezer, under -20°C
form :Solid
pka :2.36±0.10(Predicted)
color :White to Almost white
InChI :InChI=1S/C5H5NO3/c1-3-2-4(5(7)8)9-6-3/h2H,1H3,(H,7,8)
InChIKey :HXIYCKAAQPHZBM-UHFFFAOYSA-N
SMILES :O1C(C(O)=O)=CC(C)=N1

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. P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405 Store locked up.