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Kanoria Chemicals & Industries Limited (KCIL) Group

Caustic Soda

  • Category :
    Inorganic chemicals
  • Synonyms :
    Caustic soda;lye, caustic;sodium hydrate;soda lye;white caustic;caustic soda flakes;flake caustic;caustic soda solid;caustic soda pearls;solid caustic soda;Liquid Caustic Soda;Food Additives Sodium Hydroxide;Caustic soda flake;Solid Sodium hydroxide;Caustic Soda;Sodium Hydrate;Liquid CS;
  • CAS NO :
    1310-73-2
  • EC NO :
    215-185-5
  • Molecular Formula :
    NaOH
  • Molecular Weight :
    41.0045
  • Main Specifications :
  • InChI :
    InChI=1/Na.H2O/h;1H2/q+1;/p-1/rHNaO/c1-2/h2H
  • Product description :
    Properties
    Appearance White flakes/Pellets, colourless viscous liquid.
    Boiling point-Lye /Flakes 1390oC/142-148癈
    Melting point-Lye / Flakes 318.4癈
    Specific Gravity - Lye / Flakes 2.12 at 24癈/4癈
    Physical state Solid/Lye
    Solubility in water Soluble
    pH 14
    Odour Odour less
    Others Soluble in alcohol, methanol, and glycerol


    Chemical Identity
    Formula: NaOH CAS No. 1310-73-2
    UN No. 1823/1824 Codes/Label-corrosive, Class-8
    Hazchem Code: 2R



    Specification
    NaOH (on dry basis) 99.5% (min)
    Na2CO3 (on dry basis) 0.4 % (max)
    NaCl (on dry basis) 0.1 % (max)
    Iron as Fe (on dry basis) 20 PPM (max)
    Sulphate as Na2SO4 0.1% (max)
    Silicate as SiO2 0.02 % (max)
    Copper (Cu) 2.0 PPM (max)
    Manganese (Mn) 1.0 PPM (max)
    Chlorate & per chlorate as NaCIO3 10 PPM (max)
    Water Insoluble matter 0.05 PPM (max)


    Toxicity
    Permissible Exposure Limit 2 (Ceiling) Mg/m3
    TLV (ACGIH) 2 (Ceiling) Mg/m3

    Field of Application

    Caustic Soda is used in:

    • Pulp and paper (in digestion process for the extraction of Chlorlignin of wood
      and pulp.)
    • Aluminum (for the extraction of Alumina from Bauxite.)
    • Soap (in saponification reaction.).
    • Detergent (in the process of neutralizing LAB.)
    • Petroleum Refining (for naturalizing H2S in light distillates.)
    • Rayon (in viscous section for the extraction of cellulose from the pulp.)
    • Power Plants (in anionic resin regeneration in D.M. Plant.)
    • Pharmaceuticals (in Paracetamol, Analgin, Ranitidine, Ibuprofen, Ciproflaxacin etc.)
    Packaging
    Caustic Soda Lye: M.S.R.L./M.S. Road tankers & MS Rail Wagons.
    Flakes 50 kg HDPE bags with LDPE Liner.
  • Molecular Structure :
    Caustic Soda 1310-73-2
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