Sodium Hydroxide

Sodium Hydroxide
1	Formula ----------------------- Molecular Weight	------------------------------------------------------------------------------------- 40.0
2	Synonym	Caustic Soda
3	Physical Property	Physical state Very deliquescent , sticks , pellets , spherical particles , fused masses or scales . Colour White Odour Taste Solubility 1 gm dissolves in 0.9ml water , 0.3ml boiling water , 7.2ml absolute alcohol and also soluble in glycerol .
4	Chemical Property
5	Incompatibility
6	Uses	i)                    2.5% of sodium hydroxide is used as cuticle solvent and to remove warts . ii)                   An escharotic preparation of sodium hydroxide and calcium oxide , known as London-paste  is used to adjust the pH of the solution . iii)                 Sodium hydroxide solutions are used to neutralize acids and make sodium salts to treat cellulose in viscose raycon  and cellophane . iv)                 Sodium hydroxide solutions hydrolyze fats and form soaps , they precipitate alkaloids and most metals .
7	Side Effect	i)                    Ingestion of sodium hydroxide causes vomiting , prostration and collapse . ii)                    It is corrosive to all tissues .
8	Storage	It is stored in hard glass bottles .