Potassium chloride 99.0-101.0% (by argentometric analysis, on dry substance), EMPROVE® ESSENTIAL Ph. Eur., BP, JP, USP, FCC, E508, SAFC®

Supplier: MERCK PRODUCTION CHEMICALS

1.04935.5000EA 441 EUR
1.04935.5000 1.04935.9500 1.04935.9029
Potassium chloride 99.0-101.0% (by argentometric analysis, on dry substance), EMPROVE® ESSENTIAL Ph. Eur., BP, JP, USP, FCC, E508, SAFC®
Potassium chloride

Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1 to 3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated.


Conforms to the purity criteria on food additives according to the current European Commission Regulation.

Formula: KCl
MW: 74,55 g/mol
Boiling Pt: 1413 °C (1013 hPa)
Melting Pt: 773 °C
Density: 1,98 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00011360
CAS Number: 7447-40-7
EINECS: 231-211-8
Merck Index: 13,07704

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Specification Test Results

Assay (argentometric; calculated on dried substance) 99.0 - 100.5 %
Assay (argentometric; dried substance) 99.0 - 101.0 %
Identity passes test
Appearance of solution passes test
Free acid, free alkali passes test
Acidity or alkalinity passes test
Bromide (Br) passes test (≤ 0.1 %)
Bromide, Iodide (Br,I) passes test
Iodide (I) passes test (≤ 0.005 %)
Sulfate (SO₄) ≤ 0.01 %
Heavy metals (as Pb) ≤ 0.0005 %
Al (Aluminium) ≤ 0.00010 %
As (Arsenic) ≤ 0.0001 %
Ba (Barium) passes test
Cd (Cadmium) ≤ 0.0001 %
Fe (Iron) ≤ 0.001 %
Hg (Mercury) ≤ 0.0001 %
Na (Sodium) ≤ 0.05 %
Na (sodium) passes test
Pb (Lead) ≤ 0.0002 %
Ca + Mg (calcium and magnesium) passes test
Magnesium and alkaline-earth metals (as Ca) ≤ 0.0200 %
Loss on drying (130 °C, 3 h) ≤ 0.5 %
Residual solvents (ICH Q3C) excluded by production process
Corresponds to Ph. Eur., BP, JP, USP, FCC, E508

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