Sodium hydroxide

[ Density]:
2.1g/cm3

[ Boiling Point ]:
>266 ° F at 760 mm Hg

[ Melting Point ]:
318 °C

[ Molecular Formula ]:
NaOH

[ Molecular Weight ]:
39.997

[ Exact Mass ]:
39.993

[ Appearance of Characters ]:
White, orthogonal crystals

[ Vapour Pressure ]:
1.82X10-21 mm Hg at 25 deg C

[ Index of Refraction ]:
1.433 at 320 deg C

[ Water Solubility ]:
easily soluble in cold water, hot water

[ RTECS ]:
WB4900000