Sodium bicarbonate - 31437
Code: 31437
Sodium bicarbonate
Puriss. p.a., ACS Reagent, Reag. Ph. Eur., powder, ≥99.7%
Sodium hydrogen carbonate
≥99.7%, ACS Reagent, Reag. Ph. Eur., powder
CAS Number: 144-55-8
Linear Formula: NaHCO3
Molar Mass: 84.01 g/mol
Beilstein Registry Number: 4153970
EC Number: 205-633-8
MDL Number: MFCD00003528
| Property |
Value |
| Assay |
99.0 - 101.0 % |
| Assay (excluding dried substance) |
99.7 - 100.3 % |
| Water insoluble matter |
max. 0.015 % |
| PH (5 %, 25 °C) |
max. 8.6 |
| Ammonium (NH4) |
max. 5 ppm |
| Arsenic (As) |
max. 2 ppm |
| Calcium (Ca) |
max. 100 ppm |
| Cadmium (Cd) |
max. 0.0005 % |
| Cobalt (Co) |
max. 50 ppm |
| Copper (Cu) |
max. 0.0005 % |
| Iron (Fe) |
max. 5 ppm |
| Potassium (K) |
max. 0.005 % |
| Magnesium (Mg) |
max. 0.005 % |
| Nickel (Ni) |
max. 50 ppm |
| Lead (Pb) |
max. 0.0005 % |
| Zinc (Zn) |
max. 0.0005 % |
| Heavy metals (as Pb) |
max. 5 ppm |
| Chloride (Cl) |
max. 30 ppm |
| Phosphate (PO4) |
max. 0.001 % |
| Sulfate (SO4) |
max. 150 ppm |
| I reducing matters (as SO2) |
max. 0.005 % |
| S-compounds (as SO4) |
max. 0.003 % |
| Colour of the solution |
complying |
| Turbidity of solution |
complying |
| Solution 0.5 g at 10 mL (H2O) |
complying |
| Residual solvents |
complying |
| Property |
Value |
| Form |
powder |
| PKa (25 °C) |
(1) 6.37, (2) 10.25 (carbonic acid) |
| Density |
2.2 g/cm3 |
