Chemische Werke Hommel GmbH & Co. KG  

Hommel-Logo

Im Wirrigen 25
D-45731 Waltrop
Tel.: +49 2309 60699-0
Fax: +49 2309 60699-30
www.hommel-pharma.com
info@hommel-pharma.com

Spezifikation

Produktbezug:
Produktnummer 99763REU
Handelsname / Bezeichnung Methyl-4-hydroxybenzoat BP/EP/USP/NF/FCC
(Methylparaben)
CAS Nummer 99-76-3
Andere Bezeichnungen / Synonyme•4-Hydroxybenzoesäuremethylester; •Methyl-4-hydroxybenzoat; •Methyl-4-hydroxybenzoat mikronisiert; •Methyl-4-hydroxybenzoate ; •Methyl-4-hydroxybenzoate micronised; •Methylparaben; •Methylparabene; •Nipagin M; •methyl 4-hydroxybenzoate;
EG Nummer202-785-7
Zolltarifnummer / CN-Code29182900
Molekulargewicht [g/mol]152.14
FormelC8H8O3
Achtung UN 3077, 9, III
Giftig für Wasserorganismen, mit langfristiger Wirkung..
Freisetzung in die Umwelt vermeiden. Verschüttete Mengen aufnehmen. Entsorgung des Inhalt/Behälter gemäß den örtlichen / regionalen / (inter)nationale Vorschriften.


Parameter Test Method Specification Unit

Sensorische Prüfung
Aussehen der Lösung EP/BP entspricht / complies
Aussehen weißes, kristallines Pulver

Physikalische Parameter
Säuregehalt EP/BP/USP/NF (0,1 M NaOH): ≤ 0,1
Säuregehalt FCC gelb ohne auch nur einen leichten Stich rosa
Trocknungsverlust FCC ≤ 0,5 %

Identifikation
Gehalt EP/BP/USP/NF/FCC 98,0  –  102,0 %
Infrarot Spektroskopie EP/BP/USP/NF/FCC entspricht / complies
Schmelzpunkt (Identität) (light transmission) 125  –  128 °C
Schmelzpunkt (Identität) von p-Hydroxy-Benzoesäure 213  –  217 °C

Verunreinigungen
Glührückstand USP/NF/FCC ≤ 0,1 %
Sulphatasche EP/BP/FCC ≤ 0,1 %
Verwandte Substanzen EP/BP/USP/NF Gesamtverunreinigungen ≤ 1,0 % [w/w]
Verwandte Substanzen EP/BP/USP/NF Nicht spezifizierte Verunreinigungen ≤ 0,5 % [w/w]
Verwandte Substanzen EP/BP/USP/NF p-Hydroxy-Benzoesäure ≤ 0,5 % [w/w]

Restlösemittel
Restlösemittel Methanol: ≤ 3000 ppm

Elementare Verunreinigungen
Blei (Pb) FCC ≤ 2 ppm

Zusätzliche Angaben:

Mindesthaltbarkeit: 5 Jahre

Entspricht der Monographie: BP/EP/USP/NF/JP/FCC


Chemische Werke Hommel GmbH & Co.KG
Dieses Dokument wurde elektronisch erzeugt und ist ohne Unterschrift gültig.
Waltrop, 11. Nov. 2024
LF-Basis: (2024-02-15)
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.