di-Potassium hydrogen phosphate, anhydrous ≥98.0%, EMPROVE® ESSENTIAL Ph. Eur., BP, E340

Supplier: MilliporeSigma

Synonyms: di-Potassium hydrogen orthophosphateDipotassium hydrogenphosphateDibasic Potassium PhosphatePotassium phosphate dibasicPotassium Phosphate, Dibasic, (dipotassium hydrogen phosphate)Potassium hydrogen phosphateDipotassium hydrogen phosphateDipotassium PhosphateDipotassium phosphate

1.05101.9029 1.05101.9029 1.05101.9525 1.05101.1000 1.05101.5000
EM1.05101.9029EA 3438 USD
CA1.05101.9029 CA1.05101.9525 EM1.05101.9029 CA1.05101.5000 EM1.05101.1000
di-Potassium hydrogen phosphate, anhydrous ≥98.0%, EMPROVE® ESSENTIAL Ph. Eur., BP, E340
di-Potassium hydrogen phosphate

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


Corresponds to Ph. Eur., BP, E 340


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

Formula: K₂HPO₄
MW: 174.18 g/mol
Melting Pt: >450 °C Dec.
Density: 2.44 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00011383
CAS Number: 7758-11-4
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Specification Test Results

Assay (alkalimetric, calculated on dried substance) 98.0 - 101.0 %
Assay (out of dried substance) ≥ 98.0 %
Identity passes test
Appearance of solution passes test
In water insoluble matter ≤ 0.2 %
pH-value (1 %, water) 8.7 - 9.4
Chloride (Cl) ≤ 0.02 %
Fluoride (F) ≤ 0.0010 %
Sulfate (SO₄) ≤ 0.1 %
Heavy metals (as Pb) ≤ 0.0010 %
Al (Aluminium) ≤ 0.0005 %
As (Arsenic) ≤ 0.0001 %
Cd (Cadmium) ≤ 0.0001 %
Fe (Iron) ≤ 0.0010 %
Hg (Mercury) ≤ 0.0001 %
Na (Sodium) ≤ 1.5 %
Pb (Lead) ≤ 0.0001 %
Potassium dihydrogen phosphate ≤ 2.5 %
Residual solvents (ICH Q3C) excluded by manufacturing process
Reducing substances passes test
Loss on drying (130 °C) ≤ 2.0 %

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