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Specification

Concerning Product:
Article number 6100056MPEUL
Trade name / designation / denomination Trikaliumcitrat Monhydrat, EP, USP, FCC,
CAS number 6100-05-6
Other names / synonyms•1,2,3-Propanetricarboxylic acid, 2-hydroxy-, potassium salt, hydrate (1:3:1); •Citrat-Monohydrat; •Tripotassium citrate monohydrate; •tripotassium 2-hydroxypropane-1,2,3-tricarboxylate;
EC number612-062-1
Customs tariff number / CN code / TARIC29181500
Molecular weight [g / mol]306.3946
FormulaC6H5K3O7


Parameter Specification Unit

Organoleptic test
Appearance of solution complies
Colour white to off-white

Physical parameter
Acidity/Alkalinity complies
Form crystalline powder
Loss on drying (Karl Fischer) 4,0  –  6,0 %
pH value 7,5  –  9,0
Solubility in ethanol: slightly soluble
Solubility in water: easily soluble

Identity
Assay 99,0  –  100,5 %
Identification Behavior against sulfuric acid: complies
Identification complies

Impurities
Heavy Metals (as Pb) ≤ 5 ppm
Oxalate (as anhydros Oxalic Acid) ≤ 100 ppm
Sulphates (SO4) ≤ 100 ppm
Impurity Tartrat: complies %
Volatile substances organic: complies

Elemental Impurities
Arsenic (As) ≤ 1 ppm
Chlorides (Cl) ≤ 15 ppm
Mercury (Hg) ≤ 0,5 ppm
Potassium (K) 35,6  –  36,2 %
Sodium (Na) ≤ 0,3 %
Lead (Pb) ≤ 0,5 ppm

Supplemental information:

Complies with monographie: EP, USP, FCC, E 332


Chemische Werke Hommel GmbH & Co.KG
This document was generated electronically and is valid without signature.
Waltrop, 31. Aug. 2020
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