2014年2月12日星期三

What is Dodecyl trimethyl ammonium chloride?

Dodecyl trimethyl ammonium chloride is a kind of white solids with Molecular Formula: C15H34NCl and Molecular Weight:263.89. It is soluble in water, stable and incompatible with strong oxidizing agents. Protect Dodecyl trimethyl ammonium chloride from moisture.

Store it in a tightly closed container. Store it in a cool, dry, well-ventilated area away from incompatible substances. Store protected from moisture. It is also know as DTAC, the EINECS is 203-927-0, and CAS Registry Number is 112-00-5.

Dodecyl trimethyl ammonium chloride groups are any of a group of ammonium salts in which organic radicals have been substituted for all four hydrogens of the original ammonium cation. They has a central nitrogen atom which is joined to four organic radicals and one acid radical. 

The organic radicals  may be alkyl, aryl, or aralkyl, and the nitrogen can be part of a ring system. They are prepared by treatment of an amine with an alkylating agent. They show a variety of physical, chemical, and biological properties and most compounds are soluble in water and strong electrolytes. Such compounds include

Dodecyl trimethyl ammonium chloride is widely used in commercial and consumer applications as disinfectants, fabric softeners, hair conditioners, and emulsifying agents. The massive production and utilization of Dodecyl trimethyl ammonium chloride has led to their extensive discharge into the environment, raising concerns globally. 

Several studies have reported on potential risks and detrimental effects of this compound on the natural environment and public wastewater treatment plants. Biological treatment has been found to be an effective way to remove it and especially aerobic treatment processes can provide rapid biodegradation via a consortium of bacteria. Although extensive research has been conducted on the fate and effect of this compound, relatively little is known about their effect on aerobic biological treatment processes, especially on nitrification.

Dodecyl trimethyl ammonium chloride(CAS NO: 112-00-5) plays an important role in many industrial fields due to their versatile physico-chemical properties. Such widespread uses as disinfectants, fabric softening agents, foam depressants, and antistatic agents lead to massive discharge into the environment with its associated concerns . 

Potential risks have been reported in many previous studies that repeated exposure to Dodecyl trimethyl ammonium chloride can induce microbial resistance against antibiotics in many pathogenic microorganisms. In addition, discharge of Dodecyl trimethyl ammonium chloride can disturb the purifying activities of natural aquatic systems or public wastewater treatment plants because of their toxicity to microbial life.

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