Iodure de potassium

InChI key

NLKNQRATVPKPDG-UHFFFAOYSA-M

InChI

1S/HI.K/h1H;/q;+1/p-1

grade

reagent grade

vapor pressure

1 mmHg ( 745 °C)

product line

BioUltra

assay

≥99.5% (AT)

form

solid

impurities

insoluble matter, passes filter test, ≤0.001% total nitrogen (N)

loss

≤0.5% loss on drying, 110 °C

pH

6.0-9.0 (25 °C, 1 M in H₂O)

mp

681 °C (lit.)

solubility

H₂O: 1 M at 20 °C, clear, colorless

anion traces

bromide, chloride (as Cl^-): ≤100 mg/kg, iodate (IO₃^-): ≤2 mg/kg, phosphate (PO₄^3-): ≤10 mg/kg, sulfate (SO₄^2-): ≤10 mg/kg

cation traces

Al: ≤5 mg/kg, As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤300 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg

absorption

cut-off at 273 nm in H₂O at 1 M

application(s)

vitamins, nutraceuticals, and natural products

Quality Level

200