Didecyldimethylammonium Chloride: A Comprehensive Guide
Discover the powerful biocide and disinfectant properties of DDAC for various industrial and personal care applications.
Get a Quote & SampleProduct Core Value

Didecyldimethyl Ammonium Chloride
Didecyldimethylammonium Chloride (DDAC) is a highly effective quaternary ammonium compound, prized for its potent broad-spectrum antimicrobial activity. It serves as a critical ingredient in disinfection, sanitization, and water treatment processes across numerous industries.
- Leverage the strong bactericidal and fungicidal capabilities of DDAC for comprehensive microbial control in industrial water treatment systems.
- Ensure optimal hygiene in animal husbandry environments with DDAC's reliable disinfectant properties for preventing pathogen spread.
- Maintain clean and safe swimming pool water quality through the effective algaecidal and bactericidal action of DDAC.
- Explore the essential role of DDAC as a versatile biocide and disinfectant in daily chemical product formulations, enhancing hygiene and preservation.
Key Advantages
Broad-Spectrum Efficacy
DDAC offers exceptional efficacy against a wide range of microorganisms, including bacteria, fungi, and viruses, making it a versatile solution for many disinfection needs.
Excellent Water Solubility
Its high solubility in water allows for easy formulation and application in aqueous systems, crucial for effective industrial water treatment and other liquid-based applications.
Cationic Surfactant Properties
As a cationic surfactant, DDAC effectively interacts with negatively charged microbial cell membranes, disrupting their integrity and leading to cell death, a key mechanism in its antimicrobial action.
Key Applications
Industrial Water Treatment
DDAC is widely employed in industrial circulating water systems to control microbial growth, preventing biofouling and maintaining water quality. Its role in water treatment is critical for efficiency and safety.
Animal Husbandry
In animal husbandry, DDAC is used for sterilization and disinfection, ensuring a hygienic environment for livestock and preventing the spread of diseases.
Swimming Pool Sanitation
Its efficacy as an algaecide and bactericide makes DDAC a popular choice for sterilizing and disinfecting swimming pools, ensuring clean and safe water for recreational use.
Oilfield Industry
DDAC serves as an effective disinfectant for oilfield reinjection water, crucial for secondary oil recovery processes by sterilizing the water and preventing microbial contamination.