Sodium carbonate dense, also
known as soda ash or washing soda, is an anhydrous form of sodium carbonate,
meaning it does not contain water molecules within its crystal structure.
1. Chemical Name: Sodium Carbonate Dense
2. Common Names: Soda Ash, Washing Soda
3. Chemical Formula: Na2CO3
4. CAS Number: 497-19-8
5. Molecular Weight: Approximately 105.99 g/mol
6. Appearance: Sodium carbonate dense is typically
found as a white, odorless powder or granules.
7. Physical Properties:
- Density:
Approximately 2.53 g/cm3
- Melting
Point: Approximately 851°C (1,564°F)
- Boiling
Point: Decomposes before boiling
-
Solubility: Sodium carbonate dense is soluble in water, with solubility
increasing with temperature.
8. Production:
- Sodium
carbonate dense is primarily produced through the Solvay process, which
involves the reaction of sodium chloride (salt), limestone (calcium carbonate),
ammonia, and carbon dioxide.
- The
Solvay process produces sodium carbonate as a primary product, which can then
be further processed and purified to obtain sodium carbonate dense.
9. Uses:
- Glass
Manufacturing: Sodium carbonate dense is a key ingredient in the manufacture of
glass and fiberglass. It acts as a flux, helping to lower the melting point of
silica and other ingredients, facilitating the glass-forming process.
-
Detergents and Soaps: Sodium carbonate dense is used as a builder or alkaline
agent in detergents and soaps. It helps to soften water, enhance cleaning
efficiency, and remove dirt and stains.
- Water
Treatment: Sodium carbonate dense is used in water treatment processes,
including pH adjustment, water softening, and removal of heavy metals through
precipitation reactions.
-
Chemical Manufacturing: Sodium carbonate dense is used as a chemical
intermediate in the production of various chemicals, including sodium
bicarbonate (baking soda), sodium silicates, and sodium phosphates.
- pH
Regulation: Sodium carbonate dense is used in swimming pools, spas, and aquariums
to raise the pH of the water and counteract acidity.
10. Safety:
- Sodium carbonate dense is generally considered
safe for most applications when handled properly.
- It is
non-toxic and non-corrosive, but prolonged skin contact or inhalation of dust
may cause irritation.
- Proper
handling procedures, including the use of gloves, goggles, and adequate
ventilation, should be followed when working with sodium carbonate dense.
-
Ingestion of large quantities of sodium carbonate dense may cause
gastrointestinal discomfort and should be avoided.
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