Sodium carbonate - S2127
Code: S2127
Sodium carbonate
Reagent Grade, ≥99.5%
Calcined soda; Carbonic acid disodium salt; Soda ash
≥99.5%
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. 99.5 % |
| Colour of the solution |
complying |
| Turbidity of solution |
complying |
| Property |
Value |
| PKa (25 °C) |
(1) 6.37, (2) 10.25 (carbonic acid) |
| Freezing point |
854 °C |
| Density |
2.53 g/cm3 |