Description It is soluble in water, appearance is white flakes, solid or pearls or with some yellow . General Information Chemical Name: Molecular Formula: NaOH CAS Number: 1310-73--2 UN Number: 1823 Hazard Class: 8 HS Code: 2815.1100 Origin: China Standard Specifications Caustic soda flakes: 96% , 98% & 99% Caustic soda solid: 96% Caustic soda pearls: 98% , 99% Packing and Stuffing Flakes / pearls: 25 KG plastic woven bag, 25 MT per 20ft container Solid: 200/ 250 KG iron drum, 25 MT per 20ft container Applications Mainly used in soap & detergent, mine, texitile, paper, oil field, etc.