Melting point :324 °C (dec.) (lit.)
Boiling point :314.24°C (rough estimate)
Density :1.4283 (rough estimate)
refractive index :1.5468 (estimate)
storage temp. :Keep in dark place,Inert atmosphere,Room temperature
pka :3.95±0.10(Predicted)
form :Granular Powder
color :Yellow
Water Solubility :Slightly soluble in water.
BRN :2805625
InChI :InChI=1S/C8H7NO4/c9-6-3-4(7(10)11)1-2-5(6)8(12)13/h1-3H,9H2,(H,10,11)(H,12,13)
InChIKey :GPNNOCMCNFXRAO-UHFFFAOYSA-N
SMILES :C1(C(O)=O)=CC=C(C(O)=O)C=C1N
CAS DataBase Reference :10312-55-7(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.