Specifications

Caustic Soda Prills (Pearl) and Caustic Soda Solid (Fused) Product Specifications

Chemical Name Sodium
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