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Specification

Concerning Product:
Article number 83885CL
Trade name / designation / denomination Vitamin B2 (Riboflavin), Food
CAS number 83-88-5
Other names / synonyms•Lactoflavine; •Vitamin B2; •riboflavin;
EC number201-507-1
Customs tariff number / CN code / TARIC29362300
Molecular weight [g / mol]376,37
FormulaC17H20N4O6


Parameter Specification Unit

Organoleptic test
Colour yellow to orange

Physical parameter
Form crystalline powder
Loss on drying ≤ 1,5 %
Specific Optical Rotation -115  –  -135 °
Acidic reacting substances Check the color of the test solution after adding the respective solutions: complies

Identity
Assay (o.d.b.)* [EP/BP]: 97,0  –  103,0
Assay (o.d.b.)* [USP]: 98,0  –  102,0 %
Identification complies
Infrared absorbtion spectrometry A373nm/A267nm: 0,31  –  0,33
Infrared absorbtion spectrometry A444nm/A267nm 0,36  –  0,39

Impurities
Heavy Metals (as Pb) ≤ 10 ppm
Impurity Lumiflavin [BP/EP]: Intensity compared with Referece sol.(C): ≤ 0,025 %
Impurity Lumiflavin [USP]: Absorbance of the filtrate at 440nm: ≤ 0,025 %

Organic volatile impurities
Org. volat. Imp. Total comforms to USP requirements Method IV <467>

Particle size distribution
Particles < 60 mesh: ≤ 100 %
Annotation:
* o.d.b. = on dried basis / auf getrockneter Basis


Supplemental information:

Shelf life: 2 years

Complies with monographie: EP5, BP2008, USP38


Chemische Werke Hommel GmbH & Co.KG
This document was generated electronically and is valid without signature.
Waltrop, 21. Mar. 2022
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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