Sodium carbonate
SIGALD/S2127 - ReagentPlus®, ≥99.5%
Synonym: Calcined soda; Carbonic acid disodium salt; Soda ash
CAS Number: 497-19-8
Empirical Formula (Hill Notation): CNa2O3
Molecular Weight: 105.99
EC Number: 207-838-8
MDL Number: MFCD00003494
Linear Formula: Na2CO3
Product Type: Chemical
| agency | suitable for EPA 300 |
| suitable for SM 2310 | |
| suitable for SM 2320 | |
| assay | ≥99.5% |
| form | powder (granular) |
| InChI | 1S/CH2O3.2Na/c2-1(3)4;;/h |
| InChI key | CDBYLPFSWZWCQE-UHFFFAOYSA |
| mp | 851 °C (lit.) |
| pH | 12 (25 °C, 106 g/L) |
| pKa (25 °C) | (1) 6.37, (2) 10.25 (carbonic acid) |
| product line | ReagentPlus® |
| Quality Level | 200 ![]() |
| SMILES string | O=C(O[Na])O[Na] |
| Application: | Sodium carbonate can be used: • A sintering aid with the ZnO (zinc oxide) for the preparation of BaCe0.5Zr0.3Y0.2O3−δ based composite electrolyte material by solid-state reaction. • A co-precipitating agent for the synthesis of stable iron oxide nanoparticles from a stoichiometric combination of Fe(II) and Fe(III) salts. • A catalyst for the etherification of glycerol to polyglycerols. |
| Biochem/physiol Actions: | Buffer component, may be used for the removal of peripheral membrane proteins. |
| General description: | Sodium carbonate (Na2CO3) is an inorganic compound also known as soda ash. It is used in flue gas desulfurization, and in detergent formulations. It is a stronger alkali used as a softening agent in laundry detergents. |
| Legal Information: | ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany |
| Packaging: | 1 kg in poly bottle |
| Packaging: | 2, 500 g in poly bottle |
| Packaging: | 5 kg in poly drum |
| Symbol | GHS07 |
| Signal word | Warning |
| Hazard statements | H319 |
| Precautionary statements | P264 - P280 - P305 + P351 + P338 - P337 + P313 |
| Hazard Codes | Xi |
| Risk Statements | 36 |
| Safety Statements | 22-26 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.5% |
| mp | 851 °C (lit.) |
| UNSPSC | 12352302 |


