Melting point :65-68℃
Boiling point :238.3±13.0 °C(Predicted)
Density :1+-.0.06 g/cm3(Predicted)
storage temp. :under inert gas (nitrogen or Argon) at 2-8°C
solubility :soluble in Chloroform, Methanol
form :powder to crystal
pka :15.50±0.50(Predicted)
color :White to Brown
Sensitive :Air Sensitive
Stability :Air Sensitive
InChI :InChI=1S/C5H5NO/c7-4-5-1-2-6-3-5/h1-4,6H
InChIKey :CHNYVNOFAWYUEG-UHFFFAOYSA-N
SMILES :N1C=CC(C=O)=C1

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.