Specification
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Concerning Product: |
| Article number | 505862UPE |
| Trade name / designation / denomination | Cetrimid EP |
| CAS number | 1119-97-7 |
| Other names / synonyms | •(1-Tetradecyl)trimethylammonium bromide;
•Myristyltrimethylammonium bromide;
•TETRADECYLTRIMETHYL-AMMONIUM BROMIDE;
•TETRADECYLTRIMETHYLAMMONIUM BROMIDE;
•Tetradecyltrimethylammonium Bromide;
•Tetradecyltrimethylammonium Bromide, Reagent;
•Tetradecyltrimethylammonium bromide;
•tetradonium bromide;
•trimethyl(tetradecyl)ammonium bromide; |
| EC number | 214-291-9
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| Customs tariff number / CN code / TARIC | 29239000 |
| Molecular weight [g / mol] | 336.39432 |
| Formula | C17H38BrN |
| Parameter |
Specification |
Unit |
Organoleptic test |
| Appearance of solution |
2% w/v solution in distilled water is clear and colourless |
| Appearance |
A white or almost white, voluminous free flowing powder |
Physical parameter |
| Acidity/Alkalinity |
Not more than 0.1ml of either 0.1M HCl or 0.1M NaOH solution is required to change the colour of indicator |
ml/0.1M HCl |
| Loss on drying |
Not more than 2.0%, determined on 1g by drying in an oven at 105°C for 2 hours |
% |
| Solubility |
Freely soluble in water, in alcohol |
Identity |
| Assay |
Cetrimide contains not less than 96.0% and not more than 101.0% of C17H38BrN |
% |
| Identification |
To comply with BP/EP tests (A,B,C,D,E) Test A. Absorbance at 260nm to 280nm - Not greater than 0.05 |
Impurities |
| Sulphated ash |
Not more than 0.5% determined on 1g |
% |
| Impurity |
Amines / Amine salts: Not more than 2ml of 0.1M tetrabutylammonium hydroxide added between two points |
ml |
Supplemental information:
Shelf life:
4 years from date of manufacturing
Complies with monographie:
EP / BP
Chemische Werke Hommel GmbH & Co.KG
This document was generated electronically and is valid without signature.
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Waltrop, 25. Feb. 2026
LF-Basis: COA Ch-B-198-25 (2025-10-25)
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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
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