Sodium Hydroxide, Melting Point : 23 °C

Caustic Soda, also known as Sodium Hydroxide, it is one of the most widely used chemicals in the industry. Caustic soda is a solution of Sodium hydroxide (NaOH) in water and by evaporating process turns into solid state (flakes), pure sodium hydroxide is a whitish solid, sold in flakes form. It is a strong base with a wide range of applications in different industries.
NaOH                     99% min
Na2CO3                0.60%
NaCl                   0.06%
Fe2O3                    0.007% max