6-(Diethylamino)-N,N-diethyl-3H-xanthen-3-iminium chloride(CAS: 2150-48-3)

6-(Diethylamino)-N,N-diethyl-3H-xanthen-3-iminium chloride is a crystalline compound with a molecular weight of approximately 443.6 g/mol. It has a high solubility in organic solvents like ethanol and acetone but is insoluble in water. The compound is moderately reactive, especially under basic conditions, and can form complexes with various metal ions. It is also known for its fluorescence properties, which make it useful in analytical chemistry and sensing applications.

6-(Diethylamino)-N,N-diethyl-3H-xanthen-3-iminium chloride is typically synthesized by the condensation of 9-diethylaminofluorene with diethylamine. This reaction is carried out in the presence of a weak base like sodium carbonate to promote the formation of the iminium ion. The yield is usually around 70-80%, and the product can be purified by recrystallization from ethanol.

6-(Diethylamino)-N,N-diethyl-3H-xanthen-3-iminium chloride finds applications in various industries. It is used in pharmaceuticals for its fluorescent properties, in polymers and plastics for its coloring and fluorescent characteristics, and in sensors and semiconductors for its photochemical and luminescent properties. It is also utilized in the formulation of fluorescent dyes and materials for optical detection.

When handling 6-(Diethylamino)-N,N-diethyl-3H-xanthen-3-iminium chloride, it is essential to wear appropriate personal protective equipment (PPE) such as gloves, safety goggles, and a lab coat. The compound should be stored in a cool, dry place away from direct sunlight and heat sources. Spills should be handled with care, and the area should be well-ventilated. It is recommended to refer to the safety data sheet (SDS) for detailed handling and disposal instructions.