Caustic Soda Pearls – NaOH – (CAS# - 1310-73-2)

Caustic soda pearls, also known as sodium hydroxide pearls or sodium hydroxide pellets, are solid, white, opaque beads or pellets of sodium hydroxide (NaOH). Here's a detailed overview along with its CAS number:

 1. Chemical Name: Caustic Soda Pearls

2. Common Names: Sodium Hydroxide Pearls, Sodium Hydroxide Pellets

3. Chemical Formula: NaOH

4. CAS Number: 1310-73-2

5. Molecular Weight: Approximately 40.00 g/mol

6. Appearance: Caustic soda pearls are typically white, opaque, spherical beads or pellets.

7. Purity: Commercial grades of caustic soda pearls typically range from 96% to 99% pure, with higher purity grades available for specific applications.

 8. Physical Properties:

   - Melting Point: Caustic soda pearls have a melting point of approximately 318°C (604°F).

   - Solubility: Caustic soda pearls are highly soluble in water, with the dissolution process generating heat. The solubility increases with temperature.

   - Density: The density of caustic soda pearls is approximately 2.13 g/cm³.

 9. Production:

   - Caustic soda pearls are typically produced through the electrolysis of aqueous sodium chloride (brine) in a process called the chlor-alkali process.

   - In this process, sodium hydroxide is produced at the cathode (negative electrode) and chlorine gas is produced at the anode (positive electrode).

   - The sodium hydroxide is then purified, concentrated, and solidified into pearls or pellets.

 10. Uses:

    - Chemical Manufacturing: Caustic soda pearls are used as a key raw material in the production of various chemicals, including organic and inorganic compounds.

    - Soap and Detergent Industry: Caustic soda pearls are used in the saponification process to produce soap from fats and oils. They are also used as an alkaline builder in detergent formulations.

    - Water Treatment: Caustic soda pearls are used in water treatment processes for pH adjustment, neutralization of acidic wastewater, and removal of heavy metals through precipitation reactions.

    - Petroleum Industry: Caustic soda pearls are used in petroleum refining processes, such as in the production of biodiesel, as well as in drilling muds and well stimulation.

    - Textile Industry: Caustic soda pearls are used in textile processing, particularly in mercerization, bleaching, and pH adjustment of fibers and fabrics.

 11. Safety:

    - Caustic soda pearls are highly corrosive and can cause severe burns to the skin, eyes, and respiratory tract upon contact.

    - Proper handling procedures, including the use of gloves, goggles, and protective clothing, should be followed when working with caustic soda pearls.

    - Spills should be promptly cleaned up using neutralizing agents and appropriate safety equipment.

    - Inhalation of caustic soda dust should be avoided, and adequate ventilation should be provided in areas where caustic soda pearls are used or stored.

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