Melting point :201-203°C
Density :1.346±0.06 g/cm3(Predicted)
storage temp. :Sealed in dry,Room Temperature
form :powder to crystal
pka :9.73±0.20(Predicted)
color :Orange to Amber to Dark red
Water Solubility :Soluble in cold water.
InChI :InChI=1S/C9H7NO3/c1-13-5-2-3-7-6(4-5)8(11)9(12)10-7/h2-4H,1H3,(H,10,11,12)
InChIKey :DMHGXMPXHPOXBF-UHFFFAOYSA-N
SMILES :N1C2=C(C=C(OC)C=C2)C(=O)C1=O
CAS DataBase Reference :39755-95-8(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. 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.