2-Chloro-1,1-difluoroethane(CAS: 338-65-8)

2-Chloro-1,1-difluoroethane (CAS: 338-65-8) is a colorless, volatile liquid with a slightly sweet odor. It has a molecular weight of 123.55 g/mol and a boiling point of 29.5°C. It is poorly soluble in water but miscible with many organic solvents. It is moderately reactive, especially towards nucleophiles and reducing agents, and can undergo hydrolysis and substitution reactions.

2-Chloro-1,1-difluoroethane (CAS: 338-65-8) is typically synthesized by the chlorination of 1,1-difluoroethane in the presence of a Lewis acid catalyst, such as aluminum chloride. This process involves the electrophilic aromatic substitution of the difluoroethane with chlorine. The yield is around 70-80%, and the product is purified by distillation.

2-Chloro-1,1-difluoroethane (CAS: 338-65-8) is used in various industries, including pharmaceuticals for the synthesis of certain drugs, polymers for the production of fluoropolymers, and semiconductors for cleaning and etching processes. It is also used in sensors and as a blowing agent in polyurethane foams.

When handling 2-Chloro-1,1-difluoroethane (CAS: 338-65-8), proper personal protective equipment (PPE) should be worn, including gloves, goggles, and a respirator. It should be stored in a cool, well-ventilated area away from heat sources and oxidizers. In case of a spill, use appropriate containment and avoid inhalation of the vapors. Always refer to the Safety Data Sheet (SDS) for detailed handling and safety information.