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
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: S2127-500G
This image depicts SKU: S2127-500G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: S2127-1KG
This image depicts SKU: S2127-1KG
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: S2127-1G
This image depicts SKU: S2127-1G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: S2127-2G
This image depicts SKU: S2127-2G
| 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 Sigma-Aldrich Co. LLC |
| Packaging: | 1 kg in poly bottle |
| Packaging: | 5 kg in poly drum |
| Packaging: | 500 g in poly bottle |
| 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 | 12352300 |