Sodium Carbonate (Soda Ash) Product Description
Sodium carbonate, commonly known as soda ash, is a white, odorless powder that is highly soluble in water. It is a key industrial chemical with a wide range of applications across various sectors. Soda ash is primarily produced through the Solvay process, which involves the reaction of sodium chloride, ammonia, and carbon dioxide. It is an essential raw material in the manufacture of glass, detergents, and other chemical products. Due to its alkaline nature, sodium carbonate is also used in water treatment and as a pH regulator in various applications.
Uses of Sodium Carbonate
- Glass Manufacturing: Soda ash is a crucial ingredient in the production of glass, where it acts as a flux to lower the melting point of silica.
- Detergents and Soaps: It is used as a cleaning agent in laundry detergents and household cleaners due to its ability to soften water and enhance cleaning efficiency.
- Chemical Production: Sodium carbonate serves as a precursor for the production of various chemicals, including sodium bicarbonate, sodium silicate, and other sodium compounds.
- Water Treatment: It is employed in water treatment processes to adjust pH levels and remove hardness from water.
- Food Industry: In the food industry, sodium carbonate is used as a food additive and pH regulator.
- Textile Industry: It is used in the dyeing process to fix dyes on fabrics.
Technical Data
| Property | Value |
|---|---|
| Chemical Formula | Na2CO3 |
| Molecular Weight | 105.99 g/mol |
| Appearance | White, crystalline powder |
| Solubility in Water | 22.4 g/100 mL (at 20°C) |
| Melting Point | 851 °C |
| Density | 2.533 g/cm³ |
| pH (1% solution) | 11.5 |
| CAS Number | 497-19-8 |
| Storage Conditions | Store in a cool, dry place |
| Safety Precautions | Use gloves and goggles; avoid inhalation |
Summary
Sodium carbonate is a versatile and essential chemical with numerous applications in various industries. Its properties make it an ideal choice for glass manufacturing, cleaning products, and water treatment. Understanding its technical data and safe handling practices is crucial for effective use in industrial and commercial applications.