Properties Melting point: 40-43 °C (lit.) alpha 25.25 º (589nm, c=5, 1 M HCl) Boiling point: 104-110 °C/40 mmHg (lit.) Density 0.951 refractive index 1.4886 Flash point: 169 °F storage temp. Keep in dark place,Inert atmosphere,2-8°C form Crystals or Powder pka 10.76±0.70(Predicted) color White to light beige optical activity[α]20/D +25°, c = 5 in 1 M HCl Water Solubility soluble