S8875

Sodium bicarbonate

ReagentPlus^®, ≥99.5%, powder

• Synonym(s): Sodium hydrogen carbonate
• Linear Formula: NaHCO₃
• CAS Number: 144-55-8
• Molecular Weight: 84.01
• Beilstein: 4153970
• EC Number: 205-633-8
• MDL number: MFCD00003528
• UNSPSC Code: 12352302
• PubChem Substance ID: 329824613
• NACRES: NA.21

Properties

• Agency: suitable for EPA 300
• product line: ReagentPlus^®
• Assay: ≥99.5%
• form: powder
• pKa (25 °C): (1) 6.37, (2) 10.25 (carbonic acid)
• density: 2.16 g/mL at 25 °C (lit.)
• SMILES string: [Na+].OC([O-])=O
• InChI: 1S/CH2O3.Na/c2-1(3)4;/h(H2,2,3,4);/q;+1/p-1
• InChI key: UIIMBOGNXHQVGW-UHFFFAOYSA-M

Description

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.

Application

Sodium bicarbonate can be used as a catalyst:     

• To synthesize nitriles from the corresponding aldehydes and hydroxylamine hydrochloride in the presence of sodium sulfate as a co-catalyst.      
• To prepare coumarin derivatives via intramolecular Wittig reaction of substituted 2-formylphenyl 2-bromoacetates.      
• In the acetylation of primary alcohols and phenols by reacting with acetic anhydride.

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable