1.Caustic Soda, akali 99% & 96% 2.Properties: Flakes, Solid, Pearls 3.Used in chemical,metallurgy,textile,medicine,pesticid. Specification ... .68% Min1.2% Max 2.5% Max 0.008% Max99% Solid 99.30% Min0.5% Max0.03% Max0.005% Max99% Pearls ... .5% Max0.03% Max0.005% Max Properties: Colorless non-transparent solid, freely deliquescent.Solubility: Freely solble in water, ethyl alcohol, glycerin ...