Products Description
What is Didecyl dimethyl ammonium chloride?
Didecyl dimethyl ammonium chloride (DDAC), with the CAS number 7173-51-5, is a highly effective quaternary ammonium compound widely recognized for its outstanding disinfecting properties. Typically presented as a colorless to pale yellow liquid or a white solid powder, DDAC is readily soluble in water, making it easy to incorporate into various disinfectant formulations. Its chemical structure, featuring two long didecyl chains attached to a central ammonium ion, endows it with strong antibacterial, antiviral, and antifungal capabilities, making it a top - choice ingredient for disinfection applications across multiple industries.

Basic information
| Density | 0.95 g/cm3 (20ºC) |
|---|---|
| Boiling Point | >180°C |
| Melting Point | 94-100°C |
| Molecular Formula | C22H48ClN |
| Molecular Weight | 362.076 |
| Exact Mass | 361.347534 |
| LogP | 4.34820 |
Application
- Water treatment and sterilization and disinfection: Didecyl dimethyl ammonium chloride can be used as a bactericide and algaecide for the treatment of industrial circulating water, swimming pool water, etc. It can inhibit bacteria and disinfect by destroying the cell membrane of microorganisms. It can also be used for primary disinfection of drinking water.
- Fabric treatment and softener: As a component of fabric softener, DDAC can be adsorbed on the fiber surface to form a protective film, reduce fiber friction, make the fabric soft and antistatic, and have a certain antibacterial effect.
- Agriculture and animal husbandry: DDAC is used for environmental disinfection of livestock and poultry farms, or as a water disinfectant in aquaculture to inhibit the reproduction of harmful microorganisms; it can also be used as a pesticide adjuvant to enhance the adhesion of the liquid on the plant surface.
- Other industrial uses: In the papermaking industry, Didecyl dimethyl ammonium chloride is used as a paper softener and antistatic agent; in the petroleum industry, it can be used as an additive for drilling fluid to improve the performance of drilling fluid; it can also be used to prepare asphalt emulsifiers, metal preservatives, etc.

Key Features
- Powerful Disinfection: Didecyl dimethyl ammonium chloride effectively eliminates a broad spectrum of harmful microorganisms, including bacteria like E. coli and Staphylococcus aureus, viruses such as influenza and coronaviruses, and various fungi. It disrupts the cell membranes of these pathogens, preventing their growth and spread.
- Long - lasting Efficacy: Once applied, Didecyl dimethyl ammonium chloride forms a protective film on surfaces, providing long - term residual disinfection. This ensures that treated areas remain protected against reinfection for an extended period, reducing the need for frequent reapplication.
- Safe and Gentle: Compared to some harsh disinfectants, DDAC is relatively mild. It has low toxicity to humans and animals when used as directed, and it doesn't produce harmful fumes or residues. This makes it suitable for use in environments where people and pets are present, such as hospitals, schools, and homes.
- Stable and Compatible: DDAC maintains its effectiveness across a wide range of pH levels and temperatures. It also has excellent compatibility with other chemicals, allowing it to be easily combined with surfactants, solvents, and other additives to create customized disinfectant products.


Company Profile

Gneebio is a company specializing in the research and development, production and sales of chemicals. We adhere to the principle of "quality first" and have obtained ISO9001 certification. We have also set up a dedicated testing center to implement strict quality control standards at all stages of the production process. Quality inspectors closely monitor the production process of each product to ensure the quality of the final chemical product. We also give priority to safety and ecological environment protection, adopt eco-friendly production processes, and implement a strict waste management system.
Why Choose Our DDAC?
- REACH, EPA, and RoHS Compliant
- Stable Global Supply with Flexible MOQ
- Fast Lead Time and full export documentation support
- Custom Formulations and private labeling available
Our popular products include Organic Chemicals (Polyisobutylene, Styrene Monomer, Propylene Glycol, Cyclohexanone, Cyclohexane, Isopropyl Alcohol), Daily Chemicals (Didecylmethylamine, Dodecyl dimethyl betaine), and various Petrochemicals (Ethylene Tar, Petroleum Toluene), among others.

FAQ
1.Are you manufacturers?
A:Yes, we are professional manufacturers in Henan, china since 2016. Welcome to visit our factory for long-termcooperations.
2. How do you ensure your product and service quality?
A:All of our processes strictly adhere to is0 9001 procedures and we are equipped with state of the art quality controlfacilities.
3. Can I print my logo?
A: Yes, OEM/ODM service is available. Customized logo/package/name/color. For details, Please kindly contact the sales persons.
4. How to place order online?
A: Proforma invoice will be sent after confirmation from the client along with our bank details.

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