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Specification

Concerning Product:
Article number 58082CPE
Trade name / designation / denomination Koffein, wasserfrei EP
CAS number 58-08-2
Other names / synonyms•1,3,7-trimethylpurine-2,6-dione; •Caffeine Anhydrous ; •caffeine;
EC number200-362-1
EC index number613-086-00-5
Customs tariff number / CN code / TARIC29393000
Molecular weight [g / mol]194.1906
FormulaC8H10N4O2
Warning -/-, ,
Harmful if swallowed.
Wash thoroughly after handling. Do no eat, drink or smoke when using this product. Dispose of contents/container in accordance with local/regional/(inter)national regulations.


Parameter Specification Unit

Organoleptic test
Appearance of solution clear and colourless
Colour white to off-white

Physical parameter
Acidity/Alkalinity (0,01 M NaOH): indikator gets blue ≥ 0,2
Form crystalline powder
Loss on drying ≤ 0,5
Melting range 234,0  –  239,0 °C
Solubility in boiling water: soluble
Solubility in concentrated solution of alkali benzonates or salicylates: soluble
Solubility in ethanol: slightly soluble
Solubility in water: sparingly soluble

Identity
Assay (o.d.b.)* 98,5  –  101,5 %

Impurities
Residue on ignition ≤ 0,1
Sulphated ash ≤ 0,1
Sulphates (SO4) ≤ 500 ppm
Impurity ≤ 0,1 %
Impurity ≤ 0,1 %
Impurity A: ≤ 0,1 %
Impurity C: ≤ 0,1 %
Impurity D: ≤ 0,1 %
Impurity F: ≤ 0,1 %

Microbiological data
Coliform bacteria neg.
Escherichia Coli. neg.
Pseudomonas aeruginosa neg.
Salmonella neg.
Staphylococcus Aureus neg.
Total Plate Count ≤ 1000 CFU/g
Yeast and Mould ≤ 100 CFU/g
Annotation:
* o.d.b.: on dired basis / auf trockener Basis


Supplemental information:

Complies with monographie: Ph.Eur.

Regional origin: IND


Chemische Werke Hommel GmbH & Co.KG
This document was generated electronically and is valid without signature.
Waltrop, 26. Oct. 2020
We only confirm that we took over the data from our supplier accordingly. Despite careful working, errors in the takeover are not totally excluded. Some or all parts off the document may be translated due to our best knowledge from the original to give a better understanding. If you have any questions about specific details, please call us directly. Unless otherwise marked, these data do not originate from us and have not been tested by us on the correctness. The above information corresponds to the present state of our knowledge and is intended as a general description of our products and their possible applications. We make no warranties, expressed or implied, as to the information's accuracy, adequacy, sufficiency or freedom from defect and assumes no liability in connection with any use of this information. Any user of this product is responsible for determining the suitability of our products for its particular application. The foregoing information does not absolve the buyer of its own tests. Observing existing laws and regulations, is the responsibility of the buyer of our product. Nothing included in this information waives any of our General Terms and Conditions of Sale, which control unless it agrees other in writing. Any existing intellectual/industrial property rights must be observed. Due to possible changes in our products and applicable national and international regulations and laws, the status of our products could change. Material Safety Data Sheets providing safety precautions, that should be observed when handling or storing our products, are available upon request and are provided in compliance with applicable law. The user should obtain and review the applicable Material Safety Data Sheet information before handling any of these products. For additional information, please contact us.


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