Dodecyl Trimethyl Ammonium Chloride(DTAC)

Dodecyl Trimethyl Ammonium Chloride (DTAC) is a quaternary ammonium compound and cationic surfactant with the molecular formula C₁₅H₃₄ClN and a molecular weight of 263.89. Its CAS registry number is 112-00-5.

Key Properties

DTAC typically appears as a white to off-white crystalline powder or a colorless to light yellow transparent liquid, depending on its concentration and form. It has the following notable characteristics:

Solubility: It is readily soluble in water, ethanol, acetone, and chloroform, but insoluble in ether and benzene.

Stability: Chemically stable, it can withstand temperatures below 100°C and is tolerant to h3 acids and alkalis.

Compatibility: Shows good compatibility with cationic and nonionic surfactants.

Main Applications

Due to its surface-active and antimicrobial properties, DTAC is widely used across various industries:

Catalyst: Used as a transfer catalyst in chemical synthesis, for example, in the production of p-aminophenol.

Emulsifier: Employed in the production of emulsifiers for architectural waterproof coatings, cosmetics, hair conditioners, and cationic neoprene latex.

Biotechnological Reagent: Serves as a hemolytic agent in automated blood analyzers to dissolve red blood cells while preserving white blood cells.

Antistatic Agent: Used in the formulation of antistatic agents for synthetic fibers to mitigate static electricity issues.

Antimicrobial & Disinfectant: Utilized in various biocidal formulations, including disinfectants and antibacterial cleaners.

Other Industrial Applications: Also used in ink production, as an oilfield chemical, in textile processing, and in agricultural adjuvants.

Safety and Handling

Toxicity and Irritation: DTAC is an irritant and can be harmful to skin and eyes. It is also toxic to aquatic life.

Storage: It should be stored in a dry, sealed container, protected from moisture and h3 oxidizing agents.