Caustic Soda Prills (Pearl) & Caustic Soda Solid (Fused) Product Specifications:

Chemical Name
Soduim Hydroxide
Chemical Formula NaOH
Form Deliquescent solid, can be in the form of pellets or sticks
Colour White
Boiling Point (oC) 1390
Melting Point (oC) 318
Solubility (water) Soluble with evolution of heat
Solubility (other) alcohols, glycerol
Specific Gravity 2.13 (Water = 1 at 4 oC)
Bulk Density (g/ml) 1.175
   
Chemical Composition Prills Solid
Sodium Hydroxide NaOH 99% wt. min * 99% wt. min *
NaCl 0.022% wt. max. 0.022% wt. max.
Na2CO3 0.94% wt. max. 0.94% wt. max.
Na2SO4 0.038% wt. max. 0.038% wt. max.
Fe 5 ppm wt. max. 50 ppm wt. max.
Ni pick up 3 ppm wt. max. 3 ppm wt. max.
 

        * on dry basis