What is Dodecyl Trimethyl Ammonium Chloride and Why Do We Use Them?

03, Mar. 2026

 

Dodecyltrimethylammonium chloride = 99.0 AT 112-00-5 - Sigma-Aldrich

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Dodecyl Trimethyl Ammonium Chloride - Alfa Chemistry

Description

Dodecyl trimethyl ammonium chloride (DTAC) is a crucial chemical compound that finds extensive use in numerous industrial applications. Characterized by the chemical formula C15H34ClN, it appears as a transparent colloid that ranges from colorless to light yellow, exhibiting remarkable solubility in both water and ethanol.

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Performance Characteristics

  • Physical State: Typically, DTAC is found as a liquid or colloid that is either colorless or light yellow.
  • Solubility: Its ability to dissolve in water and ethanol allows for its seamless integration into various formulations.
  • Stability: The compound maintains stability at temperatures below 100°C, ensuring effective performance across a broad spectrum of operating conditions.
  • Compatibility: DTAC shows excellent compatibility with cationic and nonionic surfactants, which enhances its versatility in different formulations.

Technology Parameters

Applications

Due to its multifunctional nature, DTAC is essential across various industries, finding use in several capacities:

  • Catalyst: In chemical synthesis, DTAC acts as a transfer catalyst, aiding in the production of compounds such as p-aminophenol.
  • Emulsifier: Thanks to its emulsifying capabilities, DTAC is an ideal choice for creating emulsifiers in architectural waterproof coatings, cosmetic products, and cationic neoprene latex.
  • Biotechnological Uses: In biotechnology, DTAC serves as a hemolytic agent in automated blood analyzers, facilitating the analysis of blood samples by dissolving red blood cells while preserving white blood cells.
  • Ink Production: DTAC improves the performance of ink formulations, enhancing properties like rheology, leveling, transferability, and adhesion, thereby elevating the overall quality of printed materials.
  • Antistatic Agent: It is also used in the formulation of synthetic fiber antistatic agents, helping to alleviate static electricity issues in various applications.

Packaging and Storage

  • Packaging Options: Available in drums of 50 kg and 200 kg, or in ton barrels.
  • Storage Conditions: Keep sealed to avoid contamination and store away from strong oxidizing agents.

Dodecyl trimethyl ammonium chloride (DTAC) is a versatile chemical compound with a wide range of applications across multiple industries. Reach out to Alfa Chemistry to discover more about our products and how they can enhance your applications.