What is Dodecyl trimethyl ammonium chloride(DTAC) used for?

Jul 01, 2025 Leave a message

Dodecyl trimethyl ammonium chloride is a quaternary ammonium compound with unique physical and chemical properties. Typically, it appears as a white crystalline powder or a colorless to pale yellow viscous liquid, depending on its form and purity. It has excellent solubility in water, which allows it to easily disperse in aqueous solutions. Chemically, its structure consists of a long dodecyl (12 - carbon) hydrophobic chain attached to a positively charged nitrogen atom, which is also bonded to three methyl groups and balanced by a chloride ion. This amphiphilic structure gives it strong surface - active properties, making it a versatile ingredient in various applications.

 

1. Personal Care Products
In the personal care industry, Dodecyl trimethyl ammonium chloride plays a significant role. It is often used as a conditioner in hair care products. It adheres to the hair shaft, smoothing the cuticle layer, reducing static, and making hair more manageable, soft, and shiny. In shampoos, it can also act as a thickening agent, helping to create a rich, creamy texture and enhancing the foaming ability for a better cleansing experience.

 

DTAC/Dodecyl trimethyl ammonium chloride

 

2. Disinfection and Sanitization
This compound is widely used in disinfectant formulations. It has strong antibacterial, antifungal, and antiviral properties, making it effective in killing a broad spectrum of microorganisms. It is commonly found in household disinfectants for cleaning surfaces like countertops, floors, and bathroom fixtures. In the healthcare industry, it is used to sanitize medical equipment and surfaces, helping to prevent the spread of infections.

 

3. Textile and Paper Industries
In the textile industry, Dodecyl trimethyl ammonium chloride serves as an antistatic agent and fabric softener. It reduces static electricity in fabrics, making them easier to handle during production and more comfortable to wear. In the paper industry, it is used as a retention aid, helping to keep fillers and pigments in place during the papermaking process, thus improving the quality and strength of the paper.

 

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Cationic surfactant Dodecyl trimethyl ammonium chloride

 

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Gneebio with decades of experience in research, manufacturing and marketing of organic chemicals, is one of the leading exporters of chemical products in Henan, China.Over the years, we have been committed to the chemical industries of intermediates, plastic additives, water treatment chemicals and fungicide, and daily chemicals.

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.

 

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