Physical Properties:

1. It is a white solid which has a melting point of 591K.
2. It is a stable compound.
3. NaOH is bitter and has a soapy feel to it.
4. It is highly soluble in water and moderately soluble in alcohol.
5. Sodium hydroxide is strongly alkaline in nature.

Application:

• Caustic soda flakes, also known as sodium hydroxide, have numerous industrial and household uses. Here are some of the most common applications of caustic soda flakes:
  1. Chemical manufacturing: Caustic soda is a key raw material in the production of a wide range of chemicals, including detergents, soaps, textiles, paper, and aluminum.
  2. Water treatment: It is used in water treatment plants to adjust the pH levels and remove impurities.
  3. Food processing: It is used in the food processing industry for cleaning and sterilizing equipment.
  4. Petroleum industry: Caustic soda is used in the refining of petroleum products.
  5. Cleaning agents: It is used as a powerful cleaning agent to remove grease and oil stains from various surfaces.
  6. Drain cleaners: Caustic soda is used in drain cleaners to dissolve organic matter and clear clogged drains.
  7. pH regulation: It is used to adjust the pH levels of various products, including cosmetics and pharmaceuticals.
  8. Metal processing: It is used in metal processing to remove impurities and as a degreaser.
  9. Pulp and paper production: Caustic soda is used in the production of pulp and paper as a bleaching agent and for breaking down lignin.
  10. Textile industry: It is used in the textile industry for mercerizing cotton fabrics and for dyeing and finishing processes.

  Caustic soda flakes are most useful in many main industries for only one reason and this reason is this feature of Caustic soda flakes,

  Caustic soda flakes have Alkaline properties and Oil dissolving these two Items is the main item that will make Caustic soda flakes would be useful in many different industries that all of them are main industries in the world.