Dodecyl trimethyl ammonium chloride N-Trimethyl-1-dodecanaminium chloride 30% CAS 112-00-5

1. Chemical Identity:

Dodecyltrimethylammonium chloride, with the CAS number 112-00-5, is a quaternary ammonium compound widely used as a surfactant, disinfectant, and antistatic agent in various industrial, household, and personal care applications.

2. Molecular Structure:

This compound is a quaternary ammonium salt featuring a dodecyl (C12) alkyl chain attached to a central nitrogen atom, with three methyl groups and a chloride ion as counterions. Its molecular structure renders it amphiphilic, allowing it to function effectively as a surfactant.

3. Physical Properties:

Dodecyltrimethylammonium chloride typically appears as a white to off-white crystalline solid or as a clear to slightly yellowish liquid, depending on its concentration and formulation. It is soluble in water and other polar solvents.

4. Functionality:

As a surfactant, dodecyltrimethylammonium chloride exhibits excellent surface-active properties, reducing surface tension and facilitating the dispersion of insoluble substances in aqueous solutions. It is also valued for its antimicrobial and antistatic properties.

5. Industrial Applications:

This compound finds widespread use in industrial applications such as fabric softeners, textile processing, industrial cleaners, and corrosion inhibitors. Its surfactant properties contribute to effective cleaning and surface modification in various manufacturing processes.

6. Household and Personal Care Products:

Dodecyltrimethylammonium chloride is present in household cleaning products like laundry detergents, fabric softeners, and multipurpose cleaners. It is also used in personal care items such as shampoos, conditioners, and antiseptic mouthwashes for its cleansing and antimicrobial effects.

7. Disinfectant and Biocide:

Due to its potent antimicrobial properties, dodecyltrimethylammonium chloride is employed as a disinfectant and biocide in healthcare facilities, laboratories, and water treatment plants. It effectively kills a wide range of microorganisms, including bacteria, viruses, and fungi.

8. Antistatic Agent:

In addition to its surfactant and antimicrobial properties, dodecyltrimethylammonium chloride serves as an effective antistatic agent in various applications, including in the textile industry and in the formulation of hair care products.

9. Environmental Considerations:

While effective in controlling microbial growth and reducing static electricity, dodecyltrimethylammonium chloride may pose environmental risks if not used and disposed of responsibly. Proper dilution and disposal practices are essential to minimize its impact on aquatic ecosystems and ensure environmental safety.

10. Regulatory Compliance and Safety:

Regulatory agencies, such as the Environmental Protection Agency (EPA) in the United States and the European Chemicals Agency (ECHA) in Europe, regulate the use of dodecyltrimethylammonium chloride to ensure safety and compliance with environmental standards. Manufacturers must adhere to established guidelines and safety assessments to ensure responsible use of this compound.