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Merck
CN

237205

Potassium bicarbonate

ACS reagent, 99.7%, powder, crystals or granules

Synonym(s):

Potassium hydrogen carbonate

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About This Item

Linear Formula:
KHCO3
CAS Number:
298-14-6
Molecular Weight:
100.12
UNSPSC Code:
12352302
NACRES:
NB.24
PubChem Substance ID:
329752450
EC Number:
206-059-0
Beilstein/REAXYS Number:
4535309
MDL number:
MFCD00011402
Assay:
99.7%
99.7-100.5% (ACS specification)
Grade:
ACS reagent
Form:
powder, crystals or granules

Key Documents

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Product Name

Potassium bicarbonate, ACS reagent, 99.7%, powder, crystals or granules

InChI key

TYJJADVDDVDEDZ-UHFFFAOYSA-M

InChI

1S/CH2O3.K/c2-1(3)4;/h(H2,2,3,4);/q;+1/p-1

SMILES string

[K+].OC([O-])=O

grade

ACS reagent

assay

99.7%
99.7-100.5% (ACS specification)

form

powder, crystals or granules

impurities

≤0.003% S compounds
≤0.01% insolubles

pH

8.2 (10.01 g/L)

anion traces

chloride (Cl-): ≤0.001%
phosphate (PO43-): ≤5 ppm

cation traces

Ca: ≤0.002%
Fe: ≤5 ppm
Mg: ≤0.001%
NH4+: ≤5 ppm
Na: ≤0.03%
heavy metals (as Pb): ≤5 ppm

Quality Level

200

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General description

Potassium bicarbonate is a commercially available nontoxic base frequently used as a reagent as well as a pH regulator in research and industrial applications.

Application

Potassium bicarbonate can be used as:      
  • A catalyst to synthesize dimethyl carbonate and propylene glycol from propylene oxide, supercritical carbon dioxide, and methanol. In this process, KHCO3 also acts as a drying agent.      
  • A dopant in the epoxidation of propene in the presence of silica-supported vanadium oxide as a catalyst.      
  • A carboxyl source to synthesize Z-5-alkylidene-2-oxazolidinones via Ag2CO3 catalyzed carboxylative cyclization of propargylic amines.

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN8769
BCCN8770
BCCN4075
BCCM8309
BCCM0932

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The Journal of biological chemistry, 209(1), 337-354 (1954-07-01)
Daniel L Belavý et al.
Journal of applied physiology (Bethesda, Md. : 1985), 111(5), 1304-1314 (2011-07-30)
As part of the nutrition-countermeasures (NUC) study in Cologne, Germany in 2010, seven healthy male subjects underwent 21 days of head-down tilt bed rest and returned 153 days later to undergo a second bout of 21-day bed rest. As part
Fj Wegehaupt et al.
Oral diseases, 17(5), 508-514 (2011-02-22)
The aim of this study was to evaluate the erosive/abrasive enamel wear after contact with orange juices modified with different dietary supplements. A total of 96 bovine enamel samples were prepared and allocated to eight groups (1-8; n = 12).
K Holtenius et al.
Journal of dairy science, 91(2), 743-748 (2008-01-26)
The objective of the present study was to investigate the interactions of dietary K intake typical for forage-based diets on Mg balance in lactating dairy cows. Six lactating multiparous cows of the Swedish Red and White breed in midlactation were
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