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

Supplier: MERCK PRODUCTION CHEMICALS

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

1.05101.9029EA 0 EUR
1.05101.9029 1.05101.9525 1.05101.5000 1.05101.0001S 1.05101.1000
di-Potassium hydrogen phosphate, anhydrous ≥98.0%, EMPROVE® ESSENTIAL Ph. Eur., BP, E340, SAFC®
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: 340 °C
Density: 2,44 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00011383
CAS Number: 7758-11-4
EINECS: 231-834-5
Merck Index: 12,07828
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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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