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1.05063

Supelco

Potassium nitrate

for analysis EMSURE® ISO,Reag. Ph Eur

Synonym(s):
Potassium nitrate, Nitric acid potassium salt
Empirical Formula (Hill Notation):
KNO3
CAS Number:
Molecular Weight:
101.10
MDL number:
EC Index Number:
231-818-8

agency

reag. ISO
reag. Ph. Eur.

Quality Level

assay

≥99.0% (alkalimetric)

form

solid

potency

3015 mg/kg LD50, oral (Rat)

pH

5.0-7.5 (20 °C, 50 g/L in H2O)

mp

334 °C

bulk density

800 kg/m3

anion traces

chloride (Cl-): ≤0.001%
iodate (IO3-): ≤0.0005%
nitrite (NO2-): ≤0.001%
phosphate (PO43-): ≤0.0005%
sulfate (SO42-): ≤0.003%

cation traces

Ca: ≤ 0.001%
Cu: ≤ 0.0001%
Fe: ≤ 0.0003%
Mg: ≤ 0.0015%
NH4+: ≤ 0.001%
Na: ≤ 0.02%
Pb: ≤ 0.0001%
heavy metals (as Pb): ≤ 0.0005%

storage temp.

2-30°C

InChI

1S/K.NO3/c;2-1(3)4/q+1;-1

InChI key

FGIUAXJPYTZDNR-UHFFFAOYSA-N

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Analysis Note

Assay (alkalimetric): ≥ 99.0 %
pH-value (5 %; water): 5.0 - 7.5
Chloride (Cl): ≤ 0.001 %
Iodate (IO₃): ≤ 0.0005 %
Nitrite (NO₂): ≤ 0.001 %
Phosphate (PO₄): ≤ 0.0005 %
Sulfate (SO₄): ≤ 0.003 %
Heavy metals (as Pb): ≤ 0.0005 %
Ca (Calcium): ≤ 0.001 %
Cu (Copper): ≤ 0.0001 %
Fe (Iron): ≤ 0.0003 %
Mg (Magnesium): ≤ 0.0015 %
Na (Sodium): ≤ 0.02 %
NH₄ (Ammonium): ≤ 0.001 %
Pb (Lead): ≤ 0.0001 %
Corresponds to ISO,Reag. Ph Eur

Legal Information

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

Pictograms

Flame over circle

Signal Word

Warning

Hazard Statements

Hazard Classifications

Ox. Sol. 3

Storage Class Code

5.1B - Oxidizing hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

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