di-Potassium hydrogen phosphate, anhydrous ≥98.0%, EMPROVE® ESSENTIAL Ph. Eur., BP, E340
Supplier: EMD MILLIPORE – PCS CA EXCEP
Synonyms:
di-Potassium hydrogen orthophosphate
, Dipotassium hydrogenphosphate
, Dibasic Potassium Phosphate
, Potassium phosphate dibasic
, Potassium Phosphate, Dibasic, (dipotassium hydrogen phosphate)
, Potassium hydrogen phosphate
, Dipotassium hydrogen phosphate
, Dipotassium Phosphate
, Dipotassium 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 |
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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