Chemische Werke Hommel GmbH & Co. KG  

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D-45731 Waltrop
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Specification

Concerning Product:
Article number 98920TEUL
Trade name / designation / denomination Vitamin B3, Food Grade
CAS number 98-92-0
Other names / synonyms•nicotinamide;
EC number202-713-4
Customs tariff number / CN code / TARIC29362900
Molecular weight [g / mol]122,13
FormulaC6H6N2O
Warning
Causes serious eye irritation.
IF IN EYES: Remove contact lenses, if present and easy to do. Continue rinsing. Rinse cautiously with water for several minutes.


Parameter Specification Unit

Organoleptic test
Appearance of solution of 5% solution: Not more intensely coloured than reference solution BY7
Appearance White crystalline powder or spherical or granular

Physical parameter
Loss on drying ≤ 0,5 %
pH value 5% solution 6,0  –  7,5
Melting range 128,0  –  131,0 °C
Solubility Freely soluble in water and in ethanol
UV spectroscopy Ratio: A245/A262 0,63  –  0,67

Identity
Assay EP 8.0: 99  –  101 %
Assay USP 39: 98,5  –  101,5 %
Infrared absorbtion spectrometry According to USP and EP

Impurities
Heavy Metals (as Pb) ≤ 30 ppm
Readily carbonizable substances According to USP
Sulphated ash ≤ 0,1 %
Related substances Thin-layer chromatography: According to EP % [w/w]

Supplemental information:

Released by manufacturer: 24.08.2016

Shelf life: 3 years from date of production in the unopened original container under recommended storage conditions

Storage conditions: Keep in tightly closed original sealed packing in cool, clean and dry place, away from direct sunlight and water

Complies with monographie: USP 39, EP 8.0

Packing: 25 kg carton with PE-Inliner

Version of manufacturer: 2.0


Chemische Werke Hommel GmbH & Co.KG
This document was generated electronically and is valid without signature.
Waltrop, 12. Sep. 2019
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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