Potassium sulfate

grade

ACS reagent

Quality Level

300

Agency

reag. ISO
reag. Ph. Eur.

product line

EMSURE^®

Assay

≥99.0% (alkalimetric)

form

solid

potency

6600 mg/kg LD₅₀ oral (Rat)

impurities

≤0.01% Insoluble matter

pH

5.5-8.5 (20 °C 50 g/L in H₂O)

bp

1689 °C/1013 hPa

mp

1069 °C

density

2.66 g/cm³ at 20 °C

bulk density

800 kg/m³

anion traces

chloride (Cl^–): ≤0.0005%

cation traces

As: ≤0.0002%
Ca: ≤0.005%
Fe: ≤0.0005%
Mg: ≤0.002%
N: ≤0.0005%
Na: ≤0.02%
heavy metals (as Pb): ≤0.0005%

storage temp.

2-30°C

InChI

1S/2K.H2O4S/c;;1-5(2 3)4/h;;(H2 1 2 3 4)/q2*+1;/p-2

InChI key

OTYBMLCTZGSZBG-UHFFFAOYSA-L