Sodium bicarbonate
SIGALD/792519 - anhydrous, free-flowing, Redi-Dri™, ACS reagent, ≥99.7%
Synonym: Sodium hydrogen carbonate
CAS Number: 144-55-8
Empirical Formula (Hill Notation): CHNaO3
Molecular Weight: 84.01
EC Number: 205-633-8
MDL Number: MFCD00003528
Linear Formula: NaHCO3
Product Type: Chemical
Redi-Dri free-flowing salts
Free-flowing salts
Loss on Drying Graph
The Redi-Dri™ packaging system eliminates the common issue of clumping that is noted with many hygroscopic salts and buffers and provides free-flowing, ready-to- use material at all times.
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: 792519-500G
This image depicts SKU: 792519-500G
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: 792519-1KG
This image depicts SKU: 792519-1KG
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: 792519-2.5KG
This image depicts SKU: 792519-2.5KG
| agency | suitable for EPA 1621 |
| suitable for EPA 300 | |
| anion traces | chloride (Cl-): ≤0.003% |
| phosphate (PO43-): ≤0.001 ppm | |
| sulfur compounds (as SO42-): ≤0.003% | |
| assay | ≥99.7% |
| cation traces | Ca: ≤0.02% |
| Fe: ≤0.001% | |
| heavy metals: ≤5 ppm (by ICP-OES) | |
| K: ≤0.005% | |
| Mg: ≤0.005% | |
| NH4+: ≤5 ppm | |
| density | 2.16 g/mL at 25 °C (lit.) |
| form | powder |
| grade | ACS reagent |
| anhydrous | |
| impurities | ≤0.015% insoluble matter |
| InChI | 1S/CH2O3.Na/c2-1(3)4;/h(H |
| InChI key | UIIMBOGNXHQVGW-UHFFFAOYSA |
| pKa (25 °C) | (1) 6.37, (2) 10.25 (carbonic acid) |
| product line | Redi-Dri™ |
| quality | free-flowing |
| Quality Level | 100  |
| SMILES string | [Na+].OC([O-])=O |
| Application: | Sodium bicarbonate can be used as a reactant to synthesize monosodium Schiff bases by the condensation reaction of aldehydes and amino acids. |
| Features and Benefits: | • Increased efficiency – Eliminates time and effort of loosening hardened powders • Safety – Eliminates tools of force used to break up clumps • Ecology – Reduces waste as it does not stick to the packaging • Economy – Faster preparation and solvation increase productivity and reduce costs • Assured Quality – Excellent, expert-tested quality with no anti-caking agents • Flexible volumes – Available from research amounts to scale-up quantities |
| General description: | Sodium bicarbonate is commonly known as baking soda. It serves as a source of carbon dioxide and is used to prepare a variety of sodium salts. It is also an important pH-regulating agent. |
| Legal Information: | Redi-Dri is a trademark of Sigma-Aldrich Co. LLC |
| Packaging: | 1, 2.5 kg in poly bottle |
| Packaging: | 5, 12 kg in poly drum |
| Packaging: | 500 g in poly bottle |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.7% |
| Density | 2.16 g/mL at 25 °C (lit.) |
| UNSPSC | 12352302 |