Product Description
Benzyldimethylhexadecylammonium Chloride, also referred to as Cetaxonium chloride, is a key single-component constituent of benzalkonium chloride. With a stable long-chain alkyl quaternary ammonium structure, it combines surfactant, bacteriostatic and pharmacological auxiliary properties, enjoying wide applicability in fine chemistry and pharmaceutical industries.

Product Parameters
| Melting point | 55-65 °C(lit.) |
| Boiling point | 550.14°C (rough estimate) |
| Density | 0.9089 (rough estimate) |
| Vapor pressure | 0Pa at 25℃ |
| Refractive index | 1.6000 (estimate) |
| Storage temp. | room temp |
| Solubility | DMSO: 100 mg/mL (252.47 mM) |
| Form | Powder |
| Color | White to creamy-white |
| Water Solubility | MODERATELY SOLUBLE |
| Merck | 142,017 |
| BRN | 3802341 |
| LogP | 3.022 at 25℃ |
| CAS DataBase Reference | 122-18-9(CAS DataBase Reference) |
| EPA Substance Registry System | Benzyl hexadecyl dimethyl ammonium chloride (122-18-9) |
Safety Information
| Hazard Codes | Xi,N,C |
| Risk Statements | 36/37/38-50/53-50-34-21/22 |
| Safety Statements | 61-45-36/37/39-26-60 |
| RIDADR | UN 3077 9/PG 3 |
| WGK Germany | 3 |
| RTECS | BO6822450 |
| F | 3 |
| TSCA | Yes |
| HazardClass | 8 |
| HS Code | 29239000 |
| Toxicity | eye-rbt 150 mg MLD ARZNAD 9,349,59 |
| Hazard Codes | Xi,N,C |
| Risk Statements | 36/37/38-50/53-50-34-21/22 |
| Safety Statements | 61-45-36/37/39-26-60 |
| RIDADR | UN 3077 9/PG 3 |
Application Scenarios
Primarily utilized as a pharmaceutical excipient, antibacterial preservative and anti-inflammatory base material for medicinal products. Beyond pharmaceutical usage, it acts as an efficient industrial catalyst, emulsifier and antistatic agent, also serving as a core bactericidal raw material for daily disinfection and fine chemical manufacturing scenarios.
