Product Name | Sodium Carbonate (Soda Ash) |
CAS No. | 497-19-8 |
Molecular Formula | Na₂CO₃ |
Molecular Weight | 105.99 |
Appearance | White powder or granules |
Main Types | Light Soda Ash: Bulk density 0.5-0.6 g/mL, fine particles, fast dissolution. Used in glassware, detergents, chemical synthesis, water treatment. Heavy Soda Ash: Bulk density 0.9-1.0 g/mL, larger granules, good flowability, low dust. Used in flat glass, float glass, container glass, metallurgy. Food Grade Soda Ash: Higher purity, strict impurity control, compliant with food safety standards. Used in food processing. |
Key Parameters | Total Alkalinity (as Na₂CO₃) : ≥99.2% (Premium) / ≥98.8% (First) NaCl: ≤0.70% (Premium) / ≤0.90% (First) Iron (Fe) : ≤0.0035% (Premium) / ≤0.0060% (First) Water Insolubles: ≤0.03% (Premium) / ≤0.10% (First) Bulk Density: Light 0.5-0.6 g/mL, Heavy 0.9-1.0 g/mL |
Physical Properties | White powder/granules, odorless; soluble in water, alkaline solution; hygroscopic; decomposes at high temperature |
Features | Easily soluble, strong alkalinity; heavy grade has good flowability for automatic feeding |
Main Applications | Glass industry (50%+): flat glass, float glass, container glass, PV glass (fluxing agent). Detergents: laundry powder, cleaners (alkaline agent). Chemical synthesis: baking soda, sodium silicate, phosphates. Metallurgy: steel desulfurizer, fluxing agent. Water treatment: pH adjustment, water softening. Food: additive (dough, fermentation). Others: paper, textile, printing, dyeing, leather. |
Packaging | 25kg/40kg/50kg woven bags (PE liner); 500kg/1000kg jumbo bags; bulk tank trucks |
Storage | Cool, dry, ventilated; protect from moisture; away from acids; stack height ≤10 layers |
Shipping | Non-hazardous; protect from rain and moisture; avoid mixing with acids and ammonium salts |
Quality Standard | GB/T 210-2022 (Industrial); Food grade: GB 1886.1-2021 |
MOQ | Bags: 20 tons (1 container/truck); bulk: 30 tons; trial order 5-10 tons negotiable |
Delivery Time | Standard 7-15 working days |
Payment Terms | T/T (30% deposit, 70% against B/L copy), L/C at sight |
HS Code | 28362000 |