Potassium citrate monohydrate 99.0-100.5% (by perchloric acid titration), EMPROVE® ESSENTIAL Ph. Eur., BP, USP, FCC, E332
Supplier: EMD MILLIPORE – PCS CA EXCEP
Synonyms:
Tripotassium citrate monohydrate
, Potassium citrate tribasic monohydrate
, Citric acid tripotassium salt monohydrate
, Tripotassium 2-hydroxypropane-1,2,3-tricarboxylate monohydrate
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, USP, FCC, E 332
Certifications: Conforms to the purity criteria on food additives according to the current European Commission Regulation.
Formula:
HOC(COOK)(CH₂COOK)₂·H₂O MW: 324.41 g/mol Storage Temperature: Ambient |
MDL Number:
MFCD00150442 CAS Number: 6100-05-6 EINECS: 212-755-5 |
Specification Test Results
Assay (Perchloric Acid Titration, Calculated on Dried Substance) | 99.0 - 100.5% |
Assay (Perchloric Acid Titration After Drying) | 99.0 - 100.5% |
Identity | Passes Test |
Appearance of Solution | Passes Test |
Alkalinity | Passes Test |
Acidity or Alkalinity | Passes Test |
pH-Value (5%; Water) | 7.5 - 9.0 |
Chloride (Cl) | ≤0.0050% |
Sulfate (SO₄) | ≤0.0150% |
Heavy Metals (As Pb) | ≤0.0005% |
Al (Aluminium) | ≤0.0001% |
As (Arsenic) | ≤0.0001% |
Hg (Mercury) | ≤0.0001% |
Na (Sodium) | ≤0.3% |
Pb (Lead) | ≤0.0001% |
Oxalate (C₂O₄) | ≤0.009% |
Tartrate (C₄H₄O₆) | Passes Test |
Residual Solvents (CH Q3C) | Excluded by Manufacturing Process |
Readily Carbonisable Substance | Passes Test |
Loss On Drying (180 °C) | 4.0 - 6.0% |
Water | 4.0 - 7.0% |
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