Cetylpyridinium chloride monohydrate
Synonym(s):Cetylpyridinium chloride monohydrate;Hexadecylpyridinium chloride monohydrate;1-Cetylpyridinium chloride monohydrate;1-Hexadecylpyridinium chloride;Cetylpyridinii chloridum
- CAS NO.：6004-24-6
- Empirical Formula: C21H40ClNO
- Molecular Weight: 358
- MDL number: MFCD00149977
- EINECS: 678-154-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-19 18:11:36
What is Cetylpyridinium chloride monohydrate?
Chemical properties
white to light beige powder
The Uses of Cetylpyridinium chloride monohydrate
Pharmaceutic aid (preservative).
The Uses of Cetylpyridinium chloride monohydrate
(1-Hexadecyl)pyridinium chloride monohydrate is used in a study to assess removal of emulsified oil from oily waste water and removal of emulsified food and mineral oils from waste water. And it is used for detergent-based extraction of membrane-associated enzymes such as alkaline phosphatase, and in extraction of chromium and palladium.
Definition
ChEBI: Cetylpyridinium chloride monohydrate is a hydrate. It contains a cetylpyridinium chloride.
General Description
Cetylpyridinum chloride is a quaternary ammonium compound and an active ingredient of antiseptic oral mouth rinses with broad spectrum antimicrobial activity. Its mode of action involves a rapid bactericidal effect on Gram-positive pathogens and a fungicide effect on certain yeasts.
Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.
Purification Methods
Crystallise the chloride from MeOH or EtOH/diethyl ether and dry it in vacuo. [Moss et al. J Am Chem Soc 108 788 1986, Lennox & McClelland J Am Chem Soc 108 3771 1986, Beilstein 20 V 233.]
Properties of Cetylpyridinium chloride monohydrate
| Melting point: | 81-84 °C |
| storage temp. | Store below +30°C. |
| solubility | H2O: soluble0.5M, clear, colorless to faintly yellow |
| form | Powder |
| color | White |
| PH | 5.0-5.4 (10g/l, H2O, 20℃) |
| Water Solubility | Soluble in water, alcohol, chloroform |
| Merck | 14,2032 |
| BRN | 3578606 |
| Stability: | Stable. Combustible. Incompatible with strong oxidizing agents, acids, acid anhydrides, acid chlorides. |
| InChI | InChI=1S/C21H38N.ClH.H2O/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-16-19-22-20-17-15-18-21-22;;/h15,17-18,20-21H,2-14,16,19H2,1H3;1H;1H2/q+1;;/p-1 |
| CAS DataBase Reference | 6004-24-6(CAS DataBase Reference) |
Safety information for Cetylpyridinium chloride monohydrate
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Skull and Crossbones Acute Toxicity GHS06  Environment GHS09 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H318:Serious eye damage/eye irritation H330:Acute toxicity,inhalation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation H400:Hazardous to the aquatic environment, acute hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Cetylpyridinium chloride monohydrate
| InChIKey | NFCRBQADEGXVDL-UHFFFAOYSA-M |
| SMILES | C1=[N+](CCCCCCCCCCCCCCCC)C=CC=C1.[Cl-].[H]O[H] |
Cetylpyridinium chloride monohydrate manufacturer
JSK Chemicals
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product: 6004-24-6 (1-Hexadecyl)pyridinium chloride mono 99%
Chemie Trade
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product: Cetylpyridinium chloride monohydrate
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product: Cetylpyridinium chloride monohydrate
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