Caustic Soda (Sodium-Hydroxide)-CAS No-1310-73-2, For Soap, Purity : 99%

sodium hydroxide is white solid usually in the form of pearl and flakes.the pure sodium hydroxide is colorless and transparent crystal. It is easily soluble in water, and strongly exothermic. It can also be dissolved in ethanol and glycerol but is insoluble in acetone.

specification

caustic soda pearl 99%

index name                              spec
assay                                       ≥99%
sodium carbonate                    ≤0.5%
sodium chloride                       ≤0.03%

iron sesquioxide                      ≤0.005%

caustic soda flakes  98.5%
assay                                       ≥99%
sodium carbonate                   ≤1.4%
sodium chloride                       ≤2.8%
iron sesquioxide                      ≤0.01