Sodium carbonate - 31432
Code: 31432
Sodium carbonate
Puriss. p.a., ACS Reagent, Reag. ISO, Reag. Ph. Eur., anhydrous, ≥99.8% (calc. to the dried substance)
Calcined soda; Carbonic acid disodium salt; Soda ash
≥99.8%, ACS Reagent, Reag. ISO, Reag. Ph. Eur., anhydrous, (calc. to the dried substance)
CAS Number: 497-19-8
Linear Formula: Na2CO3
Molar Mass: 105.99 g/mol
Beilstein Registry Number: 4154566
EC Number: 207-838-8
| Property |
Value |
| Assay (calculated to the dried substance) |
min. 99.8 % |
| Loss on drying (300°C) |
max. 0.5 % |
| Water insoluble matter |
max. 0.01 % |
| Silver (Ag) |
max. 0.0005 % |
| Aluminium (Al) |
max. 0.001 % |
| Arsenic (As) |
max. 0.00005 % |
| Barium (Ba) |
max. 0.0005 % |
| Bismuth (Bi) |
max. 0.0005 % |
| Calcium (Ca) |
max. 0.005 % |
| Cadmium (Cd) |
max. 0.0005 % |
| Cobalt (Co) |
max. 0.0005 % |
| Chromium (Cr) |
max. 0.0005 % |
| Copper (Cu) |
max. 0.0005 % |
| Iron (Fe) |
max. 5 ppm |
| Lithium (Li) |
max. 0.0005 % |
| Potassium (K) |
max. 0.005 % |
| Manganese (Mn) |
max. 0.0005 % |
| Magnesium (Mg) |
max. 0.002 % |
| Molybdenum (Mo) |
max. 0.0005 % |
| Nickel (Ni) |
max. 0.0005 % |
| Lead (Pb) |
max. 0.0005 % |
| Strontium (Sr) |
max. 0.0005 % |
| Zinc (Zn) |
max. 0.0005 % |
| Heavy metals (as Pb) |
max. 0.0005 % |
| Chloride (Cl) |
max. 0.001 % |
| Total N |
max. 0.001 % |
| Total S (as SO4) |
max. 0.003 % |
| Phosphate (PO4) |
max. 0.001 % |
| Silicate (as SiO2) |
max. 0.002 % |
| Residual solvents |
complying |
| Property |
Value |
| Freezing point |
854 °C |
| Density |
2.53 g/cm3 |