Melting point  1124 °C  

density  1.07 g/mL at 20 °C

vapor density  <0.01 (vs air)

vapor pressure  <0.1 mm Hg ( 20 °C)

storage temp.  Store at room temperature. 

solubility  H2O: 1 M at 20 °C, clear, colorless

form  powder (very fine)

color  slightly gray

Specific Gravity 2.66 

PH 7.9 (50g/l, H2O, 25℃) 

Water Solubility  Soluble in water. Slightly soluble in alcohol, glycerol. Insoluble in acetone.