... Soda Flakes 96% Sodium Hydroxide (NaOH) 96% CAS NO.:1310-73-2 Used in soap-making, synthetic detergent, printing Caustic soda flakes 96% GENERAL ... Melting Point318°C• Boiling Point1390°C Caustic soda flakes 96% SPECIFICATIONS• NaOH,%99.0min98.0min96.0 min• Na2CO3,%0.8max0.91. ... 052.8max• Fe2O3,%0.005max0.0050.008max. Caustic soda flakes 96% APPLICATION• mainly used in soap-making, synthetic detergent, ...