Benzethonium chloride CAS#121-54-0
Powerful Quaternary Ammonium Antibacterial Agent: Benzethonium chloride is a new-generation quaternary ammonium salt with strong bactericidal and antibacterial performance.
Wide Application in Daily Chemicals and Cosmetics: It is extensively used in personal care, daily chemical, and cosmetic formulations, supporting product hygiene and preservation.
Reliable Medical and Healthcare Utility: The product plays an important role in medical and healthcare applications, including use as an antibacterial ingredient in eye drops and injectable formulations.
Key Intermediate in Heparin Sodium Production: It serves as an indispensable intermediate in the manufacturing of heparin sodium products, highlighting its high industrial value.
Product Description of Benzethonium Chloride CAS#121-54-0
Benzethonium chloride is a new-generation quaternary ammonium salt antibacterial agent widely used in the daily chemical and cosmetic industries. Its excellent bactericidal and antibacterial properties make it an important functional ingredient in a variety of hygiene and personal care formulations.
In addition, it has significant applications in the medical and healthcare sectors, where it serves as an effective bactericidal and antibacterial component. For example, it has been widely used in Western countries as an antibacterial ingredient in eye drops and injectable formulations.
Furthermore, benzethonium chloride is an indispensable key intermediate in the production of heparin sodium products, highlighting its critical role in pharmaceutical manufacturing.
Benzethonium chloride Chemical Properties
| Melting point | 162-164 °C (lit.) |
| Boiling point | 162℃[at 101 325 Pa] |
| Density | 0.998 g/mL at 20 °C |
| Vapor pressure | < 0.001 hPa @ 2°C |
| Refractive index | 1.5650 (estimate) |
| Storage temp. | 2-8°C |
| Solubility | H2O: 0.1 M at 20 °C, clear, colorless |
| Form | Liquid |
| Color | White |
| PH | 5.5-7.5 (25℃, 0.1M in H2O) |
| Odor | Odorless |
| PH Range | 5.5 - 7.5 |
| Water Solubility | 1-5 g/100 mL at 18 ºC |
| Sensitive | Hygroscopic |
| Merck | 141074 |
| BRN | 3898548 |
| Stability | Stability Stable, but hygroscopic. Incompatible with strong oxidizing agents, soap, anionic detergents, nitrates, acids. Light sensitive. |
| LogP | 1.08 at 20℃ |
| CAS DataBase Reference | 121-54-0(CAS DataBase Reference) |
| EPA Substance Registry System | Benzethonium chloride (121-54-0) |
Safety Information
| Hazard Codes | Xn,N,C |
| Risk Statements | 22-37/38-41-36-36/37/38-20/21/22-50/53-34-52/53 |
| Safety Statements | 26-36/39-24/25-36/37/39-61-45 |
| RIDADR | UN1759 |
| WGK Germany | 2 |
| RTECS | BO7175000 |
| F | 8 |
| TSCA | Yes |
| HazardClass | 8 |
| PackingGroup | III |
| HS Code | 29239000 |
| Hazardous Substances Data | 121-54-0(Hazardous Substances Data) |
| Toxicity | LD50 i.v. in mice: 29.5 mg/kg (Weiss) |
Product Application of Benzethonium Chloride CAS#121-54-0
Benzethonium chloride has a broad and stable market presence across the pharmaceutical, daily chemical, and cosmetic industries.
In the heparin sodium sector alone, the annual demand for this product exceeds 200 tons, where it is primarily used for the purification of heparin sodium and in the production of low molecular weight heparin sodium and enoxaparin.
Within the daily chemical industry, disinfectant wipes use benzethonium chloride extensively as a bactericidal active ingredient, with annual consumption reaching tens of tons. In addition, demand across the wider personal care and hygiene market is expanding rapidly, and overall consumption is expected to continue rising.
The product is also highly favored in cosmetics and environmental disinfection applications, with broad promotion potential, extensive application scope, and strong market prospects.
