Trimethylphenylammonium Chloride CAS 138-24-9

1. Trimethylphenylammonium chloride CAS 138-24-9 is an effective phase transfer catalyst in organic synthesis, facilitating reactions between organic and aqueous phases .
2. Trimethylphenylammonium chloride is used in the production of ion exchange resins for water purification and chemical separation processes .
3. Trimethylphenylammonium chloride is studied in biological research as a quaternary ammonium compound to understand membrane permeability and cellular interactions .

1. Store Trimethylphenylammonium chloride CAS 138-24-9 in a tightly sealed container at room temperature (RT) under nitrogen gas, protected from moisture .
2. Keep Trimethylphenylammonium chloride strictly away from strong oxidizing agents to prevent hazardous decomposition .
3. Handle Trimethylphenylammonium chloride using appropriate personal protective equipment including gloves, safety goggles, and in a fume hood to avoid dust formation and contact with skin and eyes .

1. Isolate the spill area and wear full protective equipment including a suitable respirator when handling Trimethylphenylammonium chloride CAS 138-24-9.
2. Sweep up solid Trimethylphenylammonium chloride into sealed, labeled containers without creating dust for disposal .
3. Prevent spilled Trimethylphenylammonium chloride from entering drains or waterways, as Trimethylphenylammonium chloride is toxic and should not be released into the environment .

1. Trimethylphenylammonium chloride CAS 138-24-9 is toxic if swallowed and toxic in contact with skin (LD50 dermal rabbit: 309 mg/kg), with GHS signal word "Danger" .
2. Trimethylphenylammonium chloride causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335); combustion produces toxic fumes including carbon oxides, nitrogen oxides, and hydrogen chloride gas .
3. Trimethylphenylammonium chloride is classified for transport as a toxic solid (UN2811, Hazard Class 6.1, Packing Group III) and has a melting point of 246-248°C .