Sodium Carbonate Anhydrous 500gm
anhydrous for analysis EMSURE® ISO
Manufacturer: Merck
Catalog ID: 106392.0500
Stock: In Stock
Description
| Catalogue Number | 106392 |
| Synonyms | anhydrous soda |
Product Information
| CAS number | 497-19-8 |
| EC index number | 011-005-00-2 |
| EC number | 207-838-8 |
| Grade | ISO |
| Hill Formula | CNa₂O₃ |
| Chemical formula | Na₂CO₃ |
| Molar Mass | 105.99 g/mol |
| HS Code | 2836 20 00 |
Physicochemical Information
| Density | 2.53 g/cm3 (20 °C) |
| Melting Point | 854 °C |
| pH value | 11.16 (4 g/l, H₂O, 25 °C) |
| Bulk density | 1100 kg/m3 |
| Solubility | 212.5 g/l |
Toxicological Information
| LD 50 oral | LD50 Rat 4090 mg/kg |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Assay (acidimetric; calculated on dried substance) | ≥ 99.9 % |
| Chloride (Cl) | ≤ 0.002 % |
| Phosphate (PO₄) | ≤ 0.001 % |
| Silicate (as SiO₂) | ≤ 0.002 % |
| Total sulfur (as SO₄) | ≤ 0.005 % |
| Total nitrogen (N) | ≤ 0.001 % |
| Heavy metals (as Pb) | ≤ 0.0005 % |
| Al (Aluminium) | ≤ 0.001 % |
| Ca (Calcium) | ≤ 0.005 % |
| Fe (Iron) | ≤ 0.0005 % |
| K (Potassium) | ≤ 0.01 % |
| Mg (Magnesium) | ≤ 0.0005 % |
| Loss on drying (300 °C) | ≤ 1.0 % |
| Corresponds to ISO |
