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Specification

Concerning Product:
Article number 58855BN
Trade name / designation / denomination D-Biotin
CAS number 58-85-5
Other names / synonyms•5-(2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl)pentanoic acid; •Biotine 2%; •Biotine pure; •biotin; •vitamin H;
EC number200-399-3
Customs tariff number / CN code / TARIC29362900
Molecular weight [g / mol]244.31064
FormulaC10H16N2O3S


Parameter Test Method Specification Unit

Organoleptic test
Appearance of solution 1% in 0,1N NaOH clear and colourless
Appearance white crystalline powder

Physical parameter
Loss on drying ≤ 1,0 %
Specific Optical Rotation on dry material 89  –  93 °
Melting range with decomposition 229  –  232 °C
Solubility Very slightliy soluble in water and in ethanol, practically insoluble in organic solvents

Identity
Assay 97,5  –  101 %
Identification complies

Impurities
Heavy Metals (as Pb) ≤ 10 ppm
Sulphated ash ≤ 0,1 %
Related substances conforms to Ph. Eur requirements % [w/w]

Residual Solvents
Residual solvents Toluene ≤ 890 ppm

Elemental Impurities
Arsenic (As) ≤ 2 ppm
Cadmium (Cd) ≤ 1 ppm
Mercury (Hg) ≤ 0,1 ppm
Lead (Pb) ≤ 2 ppm

Organic volatile impurities
Org. volat. Imp. Total comforms to USP requirements

Microbiological data
Coliform bacteria negativ
Escherichia Coli. Negative CFU/g
Salmonella Negative
Staphylococcus Aureus Negative
Total Plate Count ≤ 99 CFU/g
Yeast and Mould ≤ 49 CFU/g

Supplemental information:

Shelf life: 36 month

Storage conditions: Protect from light and store cool and dry in well-closed original packaging. The temperature should not exceed 25 °C.

Complies with monographie: USP, FCC, Ph. Eur

Regional origin: CN

Usage: Pharma, food, feed and veterinary


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