Didecyl Dimethyl Ammonium Chloride (DDAC)
CAS Number: 7173-51-5
Didecyl dimethyl ammonium chloride (DDAC) is a high-performance quaternary ammonium disinfectant with superior efficacy against bacteria, fungi, mycobacteria, and enveloped viruses including SARS-CoV-2. Its twin-chain structure confers enhanced membrane-disruption activity compared to single-chain quats, making it the preferred active for hospital-grade disinfectants and food-contact surface sanitizers.
Technical Specifications
| appearance | Colorless to light yellow liquid |
| moisture (%) | balance |
| pH (1% solution) | 6.5–8.5 |
| active matter (%) | ≥50 (liquid) or ≥80 (paste) |
| C10 quat content in active (%) | ≥90 |
Applications
- Hospital-grade surface disinfectants
- Food processing and food-contact surface sanitizers
- Veterinary and animal husbandry disinfection
- Pharmaceutical manufacturing cleanroom disinfection
- Hard surface disinfectant wipes
Key Features
- Hospital-grade broad-spectrum antimicrobial efficacy
- Active against mycobacteria and difficult-to-kill organisms
- Proven efficacy against SARS-CoV-2 and other coronaviruses
- Low foam, suitable for spray and wipe applications
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CAS Number
7173-51-5
Category
Cleaning / Hygiene ChemicalsAvailability
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