Benzalkonium Chloride Chemical Properties
| Melting point | -5°C |
| Boiling point | 100°C |
| Density | 0,989 g/cm3 |
| Vapor pressure | 130 mPa @ 20°C |
| Fp | >100°C |
| Storage temp. | 2-8°C |
| Solubility | Chloroform (Slightly), Methanol (Slightly) |
| Form | Semisolid |
| Color | Pale yellow |
| PH Range | 6 - 9 |
| Water Solubility | Miscible with water, methanol and acetone. |
| Merck | 14,1059 |
| BRN | 4062599 |
| Stability: | Hygroscopic |
| EPA Substance Registry System | C8-18-Alkydimethylbenzyl ammonium chlorides (63449-41-2) |
Safety Information
| Hazard Codes | C,N |
| Risk Statements | 21/22-34-50 |
| Safety Statements | 36/37/39-45-61-60-26 |
| RIDADR | UN 2923 8/PG 3 |
| WGK Germany | 3 |
| RTECS | BO3151000 |
| F | 3-9 |
| TSCA | Yes |
| HazardClass | 8 |
| PackingGroup | III |
| HS Code | 34021200 |
| Toxicity | LD50 oral in mouse: 150mg/kg |
Benzalkonium chloride, often referred to as dimethylbenzylalkylammonium chloride, is a cationic surfactant and non-oxidizing biocide recognized for its broad-spectrum, highly efficient bactericidal and algicidal activity. It reliably suppresses algal proliferation and slime formation in aquatic environments, delivering robust slime-stripping, dispersion, and penetrating capabilities. Moreover, it yields degreasing, deodorizing, and corrosion-inhibiting performance.
Presently, benzalkonium chloride finds extensive use in sanitizing industrial recirculating cooling systems, power station water lines, paper manufacturing facilities, oilfield injection networks, and medical apparatus. It is likewise deployed for hygienic disinfection in swimming pools, commercial laundries, and public venues, alongside food processing equipment sanitation. Additionally, it operates as a leveling aid, anti-mildew and bactericidal agent, softener, antistatic compound, emulsifier, and conditioning ingredient within the textile printing and dyeing sectors.
