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Merck
CN

12602

Potassium bicarbonate

puriss., meets analytical specification of Ph. Eur., BP, USP, E501, 99.5-101.0% (acidimetric)

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:
NA.21
PubChem Substance ID:
329749766
EC Number:
206-059-0
Beilstein/REAXYS Number:
4535309
MDL number:
MFCD00011402
Assay:
99.5-101.0% (acidimetric)
Form:
powder or crystals
Solubility:
water: soluble(lit.)

Key Documents

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Product Name

Potassium bicarbonate, puriss., meets analytical specification of Ph. Eur., BP, USP, E501, 99.5-101.0% (acidimetric)

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

puriss.

assay

99.5-101.0% (acidimetric)

form

powder or crystals

quality

meets analytical specification of Ph. Eur., BP, USP, E501

impurities

organic volatile impurities, complies (GC)
≤0.0005% heavy metals (as Pb)
≤0.002% ammonium (NH4)

loss

≤0.1% loss on drying, 4 h (on silica gel)

pH

8.0-8.6 (20 °C, 5%)

solubility

water: soluble(lit.)

anion traces

carbonate (K2CO3): ≤2.5%
chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤100 mg/kg

cation traces

As: ≤1 mg/kg
Ca: ≤50 mg/kg
Fe: ≤10 mg/kg
Na: ≤300 mg/kg
Pb: ≤5 mg/kg

suitability

complies for appearance of solution

Quality Level

200

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Application

Potassium bicarbonate is used:
  • In the synthesis of cyclic ammonium cation N,N-dimethyl-3,5-dimethylpiperidinium (DMDMP).
  • As a base in the preparation of glycerol carbonate and glycidol from 3-chloro-1,2-propanediol (HAL).

General description

Potassium bicarbonate (Potassium hydrogen carbonate) is an inexpensive, nontoxic base. It is used to regulate pH or as a reagent.

Storage Class

13 - Non 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
BCCN5820
BCCL7493
BCCK0860
BCCH2529
BCCG6264

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Relation between phosphate energy donors and incorporation of labeled amino acids into proteins.
P C ZAMECNIK et al.
The Journal of biological chemistry, 209(1), 337-354 (1954-07-01)
Constance Alabert et al.
Cell reports, 30(4), 1223-1234 (2020-01-30)
Chromatin states must be maintained during cell proliferation to uphold cellular identity and genome integrity. Inheritance of histone modifications is central in this process. However, the histone modification landscape is challenged by incorporation of new unmodified histones during each cell
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
Karalee Jarvis et al.
Environmental science & technology, 43(16), 6314-6319 (2009-09-15)
Storage of CO2 through mineral sequestration using olivine has been shown to produce environmentally benign carbonates. However, due to the formation of a rate-limiting reaction product layer, the rate of reaction is insufficient for large-scale applications. We report the results
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).
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