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Key Documents

S8875

Sigma-Aldrich

Sodium bicarbonate

ReagentPlus®, ≥99.5%, powder

Synonym(s):

Sodium hydrogen carbonate

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About This Item

Linear Formula:
NaHCO3
CAS Number:
Molecular Weight:
84.01
Beilstein:
4153970
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.21
form:
powder

Agency

suitable for EPA 300

Quality Level

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

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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

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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