Soda Ash
| Formula: | Na₂CO₃ |
| CAS Number: | 497-19-8 |
| EC Number (EINECS): | 207-838-8 |
| HS Code: | 28362000 |
| UN Number: | 2838 (anhydrous, solid) |
| IUPAC Name: | Sodium Carbonate |
| Also Known As: | Soda Ash; Washing Soda; Soda Crystals |
| Molecular Weight, g/mol: | 105.99 |
Typical Specifications
| Appearance: | White, crystalline powder |
| Odor: | Odorless |
| Melting Point, °C: | 851 |
| Boiling Point, °C: | Decomposes |
| Density, g/cm³ (at 20°C): | 2.53 |
| pH (1% solution): | 11.5–12.0 |
| Purity, %: | ≥99.0 |
| Grades Available: | Light, Dense, Anhydrous, Technical |
| Packaging: | 25kg bags, 50kg bags, 500kg/1000kg jumbo bags, bulk |
Applications / Uses
Primary Applications
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Manufacture of glass and ceramics
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Raw material for detergents and soaps
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pH regulator in chemical processes
Secondary Applications
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Water treatment and flue gas desulfurization
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Production of sodium salts and other chemicals
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Used in pulp & paper industry
End Industries Served: Glass, Detergent & Soap, Chemical, Water Treatment, Pulp & Paper, Textiles
Safety & Handling Information
Hazard Class (GHS): Not classified as hazardous; may cause irritation
Hazard Statements (H-Codes):
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H315: Causes skin irritation
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H319: Causes serious eye irritation
Precautionary Statements (P-Codes):
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P264: Wash hands thoroughly after handling
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P280: Wear protective gloves/eye protection
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P305 + P351 + P338: IF IN EYES – rinse cautiously with water, remove contact lenses if present
Storage Conditions
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Store in a cool, dry, ventilated place
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Protect from moisture and contamination
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Keep packaging tightly sealed
Transport Information
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ADR/RID: Not classified as dangerous goods
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IMDG: Not classified as dangerous goods
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IATA: Not classified as dangerous goods