Dodecyl Dimethyl Benzyl Ammonium Chloride (D1221)
CAS Number: 139-07-1
Dodecyl dimethyl benzyl ammonium chloride (D1221) is a single-chain quaternary ammonium disinfectant with excellent bactericidal and fungicidal activity. It is the pure C12 homolog of benzalkonium chloride, offering consistent and predictable antimicrobial performance. D1221 is used in hospital disinfection, water treatment, and as an active ingredient in disinfectant wipes and surface sprays.
Technical Specifications
| appearance | Colorless to light yellow liquid |
| moisture (%) | balance |
| pH (1% solution) | 6.0–8.0 |
| active matter (%) | ≥50 |
| C12 homolog purity (%) | ≥90 |
Applications
- Hospital and medical facility disinfection
- Water treatment biocide
- Disinfectant wipes and surface sprays
- Swimming pool algaecide and biocide
- Textile and paper mill slimicide
Key Features
- High-purity C12 quat for consistent antimicrobial performance
- Effective against Gram-positive and Gram-negative bacteria
- Active against fungi and enveloped viruses
- Good surfactant properties in addition to biocidal activity
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CAS Number
139-07-1
Category
Cleaning / Hygiene ChemicalsAvailability
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