Sodium Hydroxide
Sodium Hydroxide
Sodium HydroxideFlakes/Pearls/solid
Other name: Caustic Soda Flakes/ Pearls/solid
Solid sodium hydroxide for use in industry (caustic soda flake, solid caustic soda)
I. Molecular Formula: NaOH Molecular Weight: 40.0
II. Properties:
White flaky or blocky crystal, easily soluble in water. Aqueous solution presents strong alkalinity.
The product is important basic chemical raw material, which can be widely used in papermaking, in the production of cellulose pulp; used in the production of soap, synthetic detergent and synthetic fatty acid; desizing agent in textile, dyeing and printing industry. It can be used in the production of borax, sodium cyanide, oxalic acid and phenol in chemical industry. In petroleum industry, it can be used in refining of petroleum products. It can also be used in food, glass, enamel, pharmaceutical, metallurgy, fine chemical, chemical fiber, dye, organic synthesis and other fields.
Technical Requirements
GB 209-2006(diaphragm process production 96% flake/solid caustic soda)
GB 209-2006(ionic membrane method production 99% flake/solid caustic soda)
Physicochemical Index:
Item Index
Diaphragm Process Ionic Membrane Process
Superior First Class Qualified Superior First Class Qualified
NaOH%≥ 96.0 96.0 95.0 99.5 99.0 98.5
Na2CO3%≤ 1.3 1.4 1.6 0.45 0.50 0.55
NaCl%≤ 2.7 2.8 3.2. 0.02 0.04 0.06
Fe2O3%≤ 0.008 0.01 0.02 0.004 0.005 0.006
Caustic soda flake is packed by double-layer plastic woven bag lined with plastic film in the middle; net weight 25Kg.
Solid caustic soda is packed by drum with narrow mouth, net weight 200Kg per drum.
Storage & Transportation
Keep in dry warehouse, to avoid the damage of the package, to protect from damp, to separate from acid, and to avoid striking during transportation.
Related Products: Zirconium Oxychloride