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Caustic Soda Prills
Sodium hydroxide, also known as lye and caustic soda,[1][2] is an inorganic compound with the formula NaOH. It is a white solid ionic compound consisting of sodium cations Na+ and hydroxide anions OH−.
Sodium hydroxide is a highly corrosive base and alkali that decomposes lipids and proteins at ambient temperatures and may cause severe chemical burns. It is highly soluble in water, and readily absorbs moisture and carbon dioxide from the air. It forms a series of hydrates NaOH·nH2O.[11] The monohydrate NaOH·H2O crystallizes from water solutions between 12.3 and 61.8 °C. The commercially available “sodium hydroxide” is often this monohydrate, and published data may refer to it instead of the anhydrous compound.
As one of the simplest hydroxides, sodium hydroxide is frequently used alongside neutral water and acidic hydrochloric acid to demonstrate the pH scale to chemistry students.[12]
Sodium hydroxide is used in many industries: in the making of wood pulp and paper, textiles, drinking water, soaps and detergents, and as a drain cleaner.
Chemway is one of the Caustic Soda Prills, manufacturers, exporters, and suppliers in Fujairah, Sharjah, Abu Dhabi, Ajman, Ras Al Khaimah, Kuwait, Muscat, Dubai UAE
Caustic soda prills, or solid sodium hydroxide in granular or pellet form, are used in various industries for their ease of handling and storage. Here are some common applications:
- Chemical Manufacturing: Similar to the liquid form, caustic soda prills are used in the production of various chemicals and intermediates. They are involved in processes such as neutralization and synthesis.
- Pulp and Paper Industry: Caustic soda prills are used in the kraft process for wood pulping. They facilitate the separation of cellulose fibers from lignin, essential for paper production.
- Water Treatment: Prills are used for pH adjustment and treatment of water and wastewater. They help neutralize acidic conditions and precipitate out contaminants.
- Aluminum Production: In the Bayer process for refining bauxite ore into aluminum oxide, caustic soda prills are used to dissolve aluminum-containing minerals.
- Soap and Detergent Manufacturing: Caustic soda prills are used in the production of soaps and detergents, where they react with fats and oils to create soaps through a process called saponification.
- Textile Industry: They are used in the processing of fibers, including mercerization of cotton, which enhances the fiber’s properties and dye uptake.
- Petrochemical Industry: Caustic soda prills are used in various reactions and processes in petrochemical refining and production.
- Cleaning and Maintenance: In industrial cleaning applications, caustic soda prills are used to create strong cleaning solutions for removing grease, oils, and other contaminants.
Caustic soda prills are favored in many industries because they are easier to store and handle compared to the liquid form, and they dissolve readily in water when needed for industrial processes.
Properties | |
Chemical formula | NaOH |
Molar mass | 39.9971 g/mol |
Appearance | White, opaque crystals |
Odor | odorless |
Density | 2.13 g/cm3[4] |
Melting point | 323 °C (613 °F; 596 K)[4] |
Boiling point | 1,388 °C (2,530 °F; 1,661 K)[4] |
Solubility in water | 418 g/L (0 °C) |
1000 g/L (25 °C)[4] | |
3370 g/L (100 °C) | |
Solubility | soluble in glycerol, negligible in ammonia, insoluble in ether, slowly soluble in propylene glycol |
Solubility in methanol | 238 g/L |
Solubility in ethanol | <<139 g/L |
Vapor pressure | <2.4 kPa (20 °C) |
0.1 kPa (700 °C) | |
Acidity (pKa) | 15.7 |
Magnetic susceptibility (χ) | −15.8·10−6 cm3/mol ( |
Available Packing
- 25 KG PP Bags
- 1000 KG Jumbo Bags
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