Melting point :>300 °C (dec.)(lit.)
alpha :D21 +44° (0.28 g in 10 ml 0.5N HCl)
Boiling point :358.94°C (rough estimate)
Density :1.272±0.06 g/cm3 (20 ºC 760 Torr)
refractive index :65 ° (C=1, 0.5mol/L NaOH)
storage temp. :under inert gas (nitrogen or Argon) at 2–8 °C
solubility :H2O : 2 mg/mL (9.16 mM; ultrasonic and adjust pH to 10 with NaOH)
form :Cryst.
pka :2.32±0.10(Predicted)
color :Off-white to light yellow
optical activity :[α]20/D +65°, c = 1 in 0.5 M NaOH
Merck :14,10
BRN :86638
CAS DataBase Reference :526-31-8(CAS DataBase Reference)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.