Chemische Werke Hommel GmbH & Co. KG  

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Specification

Concerning Product:
Article number 137666QPEUL
Trade name / designation / denomination Ascorbylpalmitat (ex China)
CAS number 137-66-6
Other names / synonyms•6-O-Palmitoyl-L-ascorbic Acid; •6-O-Palmitoyl-L-ascorbic acid; •6-O-palmitoylascorbic acid; •Ascorbic acid 6-palmitate; •Ascorbyl palmitate; •L-Ascorbyl 6-palmitate; •hexadecanoic acid [2-(4,5-dihydroxy-3-oxo-2-furanyl)-2-hydroxyethyl] ester;
EC number205-305-4
Customs tariff number / CN code / TARIC29362700
Molecular weight [g / mol]414.53292
FormulaC22H38O7


Parameter Specification Unit

Organoleptic test
Appearance of solution clear and not more than BY4
Appearance white or yellow-white powder
Colour degree of whiteness: ≥ 68

Physical parameter
Loss on drying ≤ 0.8 %
Specific Optical Rotation 21  –  24 °
Melting range 107  –  117 °C

Identity
Assay 98.0  –  100.5 %
Identification complies

Impurities
Residue on ignition ≤ 0.1 %
Heavy Metals (as Pb) ≤ 4 ppm
Sulphated ash ≤ 0.1 %

Elemental Impurities
Arsenic (As) ≤ 1 ppm
Cadmium (Cd) ≤ 0.5 ppm
Mercury (Hg) ≤ 0.01 ppm
Lead (Pb) ≤ 2 ppm

Microbiological data
Bacterial endotoxins ≤ 1000 CFU/g
Escherichia Coli. ≤ 30 MPN/100g
Salmonella ≤ 0 CFU/g
Staphylococcus Aureus ≤ 0 CFU/g

Supplemental information:

Shelf life: 24 month

Storage conditions: Store in an airtight container, protected from light, prevent moisture and heat.

Complies with monographie: BP2015, EP8.0, USP38, FCCIX

Regional origin: China


Chemische Werke Hommel GmbH & Co.KG
This document was generated electronically and is valid without signature.
Waltrop, 27. Nov. 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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