Phenyl Trimethyl Ammonium Tribromide

Phenyl Trimethyl Ammonium Tribromide

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Phenyl trimethyl ammonium tribromide (PTATB) is a quaternary ammonium salt with the chemical formula C9H13Br3N. It is a white or off-white crystalline solid that is soluble in water and organic solvents like ethanol and acetone. PTATB is commonly used as a mild and selective brominating agent in organic synthesis.

In organic synthesis, PTATB is used as a brominating agent to selectively introduce bromine atoms into aromatic rings. This reaction is useful in the synthesis of pharmaceuticals, agrochemicals, and specialty chemicals. PTATB is a mild and selective reagent, meaning that it only introduces bromine atoms into specific positions on the aromatic ring, resulting in fewer side reactions and higher yields.

PTATB is also used as a phase transfer catalyst, a type of catalyst that facilitates reactions between compounds that are insoluble in each other. It is particularly useful in reactions involving alkyl halides and in the synthesis of quaternary ammonium salts.

PTATB is generally considered safe to handle and use, but it can be an irritant if it comes into contact with skin or eyes. Protective equipment like gloves and safety glasses should be worn when handling PTATB. Additionally, it should be stored in a cool, dry place away from sources of heat and flame.


1. What exactly is tribromated phenyltrimethylammonium?

Ans - The chemical molecule phenyl trimethyl ammonium tribromide (PTATB) is a disinfectant and preservative.

2. How is phenyl trimethyl ammonium tribromide used?

Ans - A number of uses for phenyl trimethyl ammonium tribromide include suppressing bacterial and fungal growth, cleaning water, and food preservation.

3. Is it safe to utilise phenyl trimethyl ammonium tribromide?

Ans - When used properly, phenyl trimethyl ammonium tribromide is generally regarded as safe to use.

4. How is tribromophenyl phenyl amine stored?

Ans - Phenyl trimethyl ammonium tribromide should be kept out of direct sunlight in a cool, dry location.