Caustic Soda Flakes

Specifications :

Properties
Molecular formula NaOH
Molar mass 39.9971 g mol1
Appearance White, waxy, opaque crystals
Odor odorless
Density 2.13 g/cm3
Melting point 318°C (604°F; 591 K)
Boiling point 1,388°C (2,530°F; 1,661 K)
Solubility in water 41.8 g/100 mL (0 °C)
111 g/100 mL (20°C)
337 g/100 mL (100 °C)
Solubility soluble in glycerol
negligible in ammonia
insoluble in ether
Solubility in methanol 23.8 g/100 mL
Solubility in ethanol 13.9 g/100 mL
Vapor pressure 2.4 kPa (at 20 °C)
Acidity (pKa) 13
Refractive index (nD) 1.3576