Potassium hydrogen carbonate

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