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401676

Sigma-Aldrich

Sodium hydrogencarbonate

−40-+140 mesh, ≥95%

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Synonym(s):
Sodium bicarbonate
Linear Formula:
NaHCO3
CAS Number:
Molecular Weight:
84.01
Beilstein/REAXYS Number:
4153970
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.55

Quality Level

assay

≥95%

form

powder or crystals

impurities

2-5% Na2CO3

particle size

−40-+140 mesh

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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Sodium hydrogencarbonate −40-+140 mesh, ≥95%

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Sodium bicarbonate

assay

≥95%

assay

≥99.5%

assay

99.5-100.5%

assay

≥99.7%

Quality Level

100

Quality Level

200

Quality Level

300

Quality Level

100

density

2.16 g/mL at 25 °C (lit.)

density

2.16 g/mL at 25 °C (lit.)

density

2.16 g/mL at 25 °C (lit.)

density

2.16 g/mL at 25 °C (lit.)

impurities

2-5% Na2CO3

impurities

-

impurities

-

impurities

≤0.015% insoluble matter

particle size

−40-+140 mesh

particle size

-

particle size

-

particle size

-

General description

Sodium hydrogencarbonate commonly known as sodium bicarbonate is a white crystalline solid or powder. A study of the crystalline structure shows that the bicarbonate ion has C2v symmetry. Ruthenium catalyzed hydrogenation of sodium bicarbonate to form sodium formate has been reported.

Application

Sodium hydrogencarbonate (sodium bicarbonate) may be used in the following processes:
  • As an alkalizing agent for treating metabolic acidosis.
  • For buffering local anesthetics (LA).
  • To facilitate the oxidation of styrene and cyclohexene.
  • As a medium to fabricate graphene hydrogel.

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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The crystal structure of sodium bicarbonate.
Sass RL and Scheuerman RF.
Acta Crystallographica, 15(1), 77-81 (1962)
Sodium bicarbonate assisted oxidation, by H2O2, of styrene and cyclohexene using polymer grafted dioxidomolybdenum (VI) complex as a catalyst.
Maurya MR and Kumar N.
J. Mol. Catal. A: Chem., 406, 204-212 (2015)
Graphene aerogel prepared by thermal evaporation of graphene oxide suspension containing sodium bicarbonate.
Yang S, et al.
Journal of Material Chemistry A, 3(15), 7950-7958 (2015)
Effect of Sodium Bicarbonate-buffered Lidocaine on the Success of Inferior Alveolar Nerve Block for Teeth with Symptomatic Irreversible Pulpitis: A Prospective, Randomized Double-blind Study.
Saatchi M, et al.
Journal of Endodontics, 41(1), 33-35 (2015)
Shay P McGuinness et al.
Critical care medicine, 41(7), 1599-1607 (2013-05-21)
Cardiac surgery-associated acute kidney injury occurs in up to 50% of patients and is associated with increased mortality and morbidity. This study aimed to discover if perioperative urinary alkalinization with sodium bicarbonate infusion reduces the prevalence of cardiac surgery-associated acute

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