Melting point :245-255°C
Boiling point :450.7±40.0 °C(Predicted)
Density :1.47±0.1 g/cm3(Predicted)
storage temp. :under inert gas (nitrogen or Argon) at 2-8°C
form :solid
pka :3.32±0.10(Predicted)
Appearance :White to off-white Solid
InChI :1S/C10H6O4/c1-2-6-3-7(9(11)12)5-8(4-6)10(13)14/h1,3-5H,(H,11,12)(H,13,14)
InChIKey :XKEUZQRIANAGPB-UHFFFAOYSA-N
SMILES :OC(=O)c1cc(cc(c1)C(O)=O)C#C

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 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. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.