1.04854
Potassium hydrogen carbonate
for analysis EMSURE® ACS
Synonym(s):
Potassium hydrogen carbonate, Potassium bicarbonate
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About This Item
grade
ACS reagent
Quality Level
product line
EMSURE®
assay
≥99.5% (acidimetric), 99.7-100.5% dry basis (acidimetric)
form
powder or crystals
potency
>2000 mg/kg LD50, oral (Rat)
impurities
≤0.01% Insoluble matter
pH
8.4-8.6 (20 °C, 99 g/L in H2O)
solubility
362 g/L
density
2.17 g/cm3 at 20 °C
anion traces
chloride (Cl-): ≤0.001%, phosphate (PO43-): ≤0.0005%, phosphate, silicate (as SiO2): ≤0.001%, sulfate (SO42-): ≤0.001%, sulfur compounds (as SO42-): ≤0.003%
cation traces
Al: ≤0.0005%, Ca: ≤0.0005%, Fe: ≤0.0005%, Mg: ≤0.001%, N: ≤0.001%, NH4+: ≤0.0005%, Na: ≤0.02%, heavy metals (as Pb): ≤0.0005%
storage temp.
15-25°C
SMILES string
[K+].[O-]C(=O)[O-].[H+]
InChI
1S/CH2O3.K/c2-1(3)4;/h(H2,2,3,4);/q;+1/p-1
InChI key
TYJJADVDDVDEDZ-UHFFFAOYSA-M
Application
- Purines, pyrimidines, and imidazoles. XXXVI. Carboxylation of some 5-aminoimidazoles and related compounds, including nucleosides and nucleotides, with potassium hydrogen carbonate in aqueous solution.: This study explored the carboxylation reactions of 5-aminoimidazoles and related compounds using potassium hydrogen carbonate in aqueous solutions, highlighting its application in synthetic organic chemistry (Cusack NJ et al., 1971).
Analysis Note
Assay (acidimetric): ≥ 99.5 %
Insoluble matter: ≤ 0.01 %
Chloride (Cl): ≤ 0.001 %
Phosphate (PO₄): ≤ 0.0005 %
Phosphate and Silicate (as SiO₂): ≤ 0.001 %
Sulfate (SO₄): ≤ 0.001 %
Total sulfur (as sulfate): ≤ 0.003 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.0005 %
Al (Aluminium): ≤ 0.0005 %
Ca (Calcium): ≤ 0.0005 %
Fe (Iron): ≤ 0.0005 %
Mg (Magnesium): ≤ 0.001 %
Na (Sodium): ≤ 0.02 %
NH₄ (Ammonium): ≤ 0.0005 %
Corresponds to ACS
Other Notes
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Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
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