Soda Ash CAS 497-19-8 is anhydrous sodium carbonate, available in two main grades: light soda ash and dense soda ash. It is white, odorless crystalline powder/granule, soluble in water with alkaline aqueous solution. It is a fundamental inorganic raw material widely used in glass, detergent, water treatment and chemical industries. Non-controlled, non-dangerous goods. TNJ Chemical is the key manufacturer and exporter since from 2001 in China. We guarantee high quality, competitive price, stable supply, fast delivery and tech support etc. To find more, please contact sales@tnjchem.com
Product Information
CAS No.: 497-19-8
Synonym: Disodium carbonate, Washing soda, Calcined soda
Chemical Formula: Na₂CO₃
Molecular Weight: 105.99
EINECS: 207-838-8
Available Grades: Industrial grade / Food grade
Available Types: Soda Ash Light, Soda Ash Dense
Chemphysical Properties
Appearance White odorless powder or granular solid
Melting Point 851 ℃
Density (True) 2.53 g/cm³
Bulk Density (Light) 0.50–0.60 g/ml
Bulk Density (Dense) 1.00–1.10 g/ml
Solubility Easily soluble in water; insoluble in ethanol
pH (1% aqueous solution) 11.0–12.0
Quality Specification
| Item | Soda Ash Light | Soda Ash Dense |
|---|---|---|
| Na₂CO₃ | ≥99.2% | ≥99.2% |
| NaCl | ≤1.0% | ≤0.7% |
| Fe | ≤0.01% | ≤0.0035% |
| Sulphate (as SO₄) | — | ≤0.03% |
| Water Insoluble Matter | ≤0.2% | ≤0.03% |
| Bulk Density | — | ≥0.9 g/ml |
| Particle Size (180μm Sieve Residue) | — | ≥70% |
Use & Application
Glass industry: float glass, container glass, fiberglass production (largest consumption field)
Detergent & soap raw material, surfactant auxiliary
Water treatment: pH adjustment, water softening
Chemical synthesis: manufacture of sodium silicate, sodium bicarbonate etc.
Textile printing & dyeing, leather tanning
Food additive (food grade, acidity regulator)
Pulp and paper industry
Packing
50kg PP woven bag with inner PE liner; 1000kg jumbo bag. Custom packing acceptable.
Delivery & Storage
Keep packages tightly sealed. Store in dry, cool and ventilated warehouse.
Protect from moisture and rain to prevent caking. Separate from acids.



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