Potassium phosphate monobasic

grade

ACS reagent

Quality Level

300

Agency

reag. ISO
reag. Ph. Eur.

product line

EMSURE^®

Assay

≥99.0% dry basis (alkalimetric)
98.0-100.5% (alkalimetric)

form

solid

potency

>4640 mg/kg LD₅₀ skin (Rabbit)

impurities

≤0.01% Insoluble matter

loss

≤ 0.2% loss on drying 130 °C

pH

4.2-4.6 (20 °C 20 g/L in H₂O)

mp

252.6 °C (lit.)

density

2.338 g/mL at 25 °C (lit.)

bulk density

1200 kg/m³

anion traces

chloride (Cl^–): ≤0.0005%
sulfate (SO₄^2-): ≤0.003%

cation traces

As: ≤0.0002%
Fe: ≤0.0010%
N: ≤0.001%
Na: ≤0.005%
heavy metals: ≤0.001%
heavy metals (as Pb): ≤0.0010%

storage temp.

2-30°C

SMILES string

[K+].OP(O)([O-])=O

InChI

1S/K.H3O4P/c;1-5(2 3)4/h;(H3 1 2 3 4)/q+1;/p-1

InChI key

GNSKLFRGEWLPPA-UHFFFAOYSA-M