1.04854

Potassium hydrogen carbonate

for analysis EMSURE^® ACS

• Synonym(s): Potassium hydrogen carbonate, Potassium bicarbonate
• Empirical Formula (Hill Notation): CHKO₃
• CAS Number: 298-14-6
• Molecular Weight: 100.12
• MDL number: MFCD00011402
• UNSPSC Code: 12352302
• EC Index Number: 206-059-0
• NACRES: NA.21

Properties

• grade: ACS reagent
• Quality Level: 300
• 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 (PO₄^3-): ≤0.0005%; phosphate, silicate (as SiO₂): ≤0.001%; sulfate (SO₄^2-): ≤0.001%; sulfur compounds (as SO₄^2-): ≤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
• InChI: 1S/CH2O3.K/c2-1(3)4;/h(H2,2,3,4);/q;+1/p-1
• InChI key: TYJJADVDDVDEDZ-UHFFFAOYSA-M

Description

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).

Linkage

Replaces: PX1345; PX1345-1; PX1345-30

Analysis Note

Assay (acidimetric; dried substance): 99.7 - 100.5 %
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

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable