Specification
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Concerning Product: |
| Article number | 6004246APE |
| Trade name / designation / denomination | Cetylpyridiniumchlorid monohyd, Ph. EUR. |
| CAS number | 6004-24-6 |
| Other names / synonyms | •1-hexadecylpyridin-1-ium chloride hydrate; |
| EC number | 204-593-9
678-154-9
|
| Customs tariff number / CN code / TARIC | 29333999 |
| Molecular weight [g / mol] | 358.0014 |
| Formula | C21H40ClNO |
Danger
UN 2811/2811, 6.1, II |
Toxic if swallowed. Causes skin irritation. Causes serious eye damage. Fatal if inhaled. May cause respiratory irritation. Very toxic to aquatic life. Very toxic to aquatic life with long lasting effects.
Do not breathe dust/fume/gas/mist/vapours/spray. Avoid release to the environment. Wear respiratory protection. Dispose of contents/container in accordance with local/regional/(inter)national regulations. |
| Parameter |
Test Method |
Specification |
Unit |
Organoleptic test |
| Appearance of solution |
EP |
1,0 % w/v Solution is not more opalescent than reference suspension and colourless. |
| Appearance |
EP/USP |
A white or almost white powder, slightly soapy to the touch |
Physical parameter |
| Acidity/Alkalinity |
EP |
(0.02 mol/L NaOH) ≤ 2,5 |
ml |
| Water content |
EP/USP |
4,5 – 5,5 |
% |
| Solubility |
EP |
Soluble in water and in alcohol. An aqueous solution froths copiously when shaken |
Identity |
| Assay |
EP |
C21H38CIN (o.d.b. EP): 96 – 101 |
% |
| Identification |
EP |
A: UV absorbtion |
| Identification |
EP |
B: IR Absorbtion Spectrum |
| Identification |
EP |
C (Chloroform): The Chloroform layer become blue. |
| Identification |
EP |
D (Chlroides): Solution S gives Reaction (a) of Chlorides. |
| Identification |
|
To comply with test:
First identification: B, D
Second identification: A, C, D |
Impurities |
| Sulphated ash |
EP |
≤ 0,2 |
% |
| Impurity |
EP/USP |
Amines and amines salts: Titrant volume between the 2 points ≤ 5 |
ml |
| Impurity |
|
Organic impurities: any unspecified ≤ 0,1 |
% |
| Impurity |
|
Organic impurities: Myristylpyridinium ≤ 0,45 |
% |
| Impurity |
|
Organic impurities: Stearylpyridinium ≤ 0,15 |
% |
| Impurity |
|
Organic impurities: total ≤ 1,0 |
% |
Supplemental information:
Shelf life:
5 years
Storage conditions:
Store at room temperature in a well-closed container away from moisture and direct sunlight
Complies with monographie:
Ph.Eur. / USP
Packing:
25 kg net.
Regional origin:
IND
Usage:
- Cetylpyridiniumchloride (CPC) is a cationic quaternary ammonium compound used in some types of mouthwashes, toothpastes, lozenges, throat sprays, breath sprays and nasal sprays.
- It is an antiseptic that kills bacteria and other microorganisms.
Chemische Werke Hommel GmbH & Co.KG
This document was generated electronically and is valid without signature.
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Waltrop, 22. Apr. 2026
LF-Basis: (2026-03-14)
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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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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
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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
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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
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