Sodium Carbonate (Anhydrous), CAS 497-19-8, also known as Soda Ash light/dense, is white alkaline inorganic powder, available in light soda ash and dense soda ash grades. Widely used in glass, detergent, water treatment, textile and food industries. TNJ Chemical is the leading manufacturer and exporter since from 2001. We guarantee high quality, competitive price, stable supply, fast delivery and tech support etc. To find more, please contact sales@tnjchem.com
Product Information
Product Name: Sodium Carbonate (Anhydrous)
CAS No.: 497-19-8
EC No.: 207-838-8
Synonyms: Soda Ash, Disodium carbonate, Carbonic acid disodium salt
Molecular Formula: Na₂CO₃
Molecular Weight: 105.99
HS Code: 283620
Chemphysical Properties
Appearance: White free-flowing powder / granular
Melting Point: 851 °C
Density: 2.53 g/cm³
Solubility: Soluble in water, aqueous solution shows strong alkalinity; insoluble in ethanol
Hygroscopicity: Hygroscopic, easy to absorb moisture and caking
Odor: Odorless
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: Main raw material for flat glass, bottle glass and optical glass, as flux.
Detergent & daily chemical: Builder for laundry powder, soap and cleaning formulations.Water treatment: PH adjustment and softening agent.
Textile industry: Scouring, dyeing and bleaching auxiliary.
Food grade: Food acidity regulator, additive.
Others: Metallurgy, paper making, chemical synthesis.
Packing
25kg / 50kg PP woven bag with PE inner liner; 1000kg jumbo bag. Bulk shipment available. Custom packing acceptable.
Delivery & Storage
Non-dangerous goods. Store in dry, cool and ventilated warehouse, keep away from moisture, acids and oxidants. Prevent dust inhalation.
Shelf life: 24 months under dry sealed storage.
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