4-Ethynylaniline(CAS: 14235-81-5)

4-Ethynylaniline, with the CAS number 14235-81-5, is an organic compound containing an aniline group attached to an ethynyl group. Its chemical formula is C8H9N. It is a yellow solid at room temperature and is known for its aromatic structure and reactivity. This compound is commonly used in chemical synthesis due to its versatile functional groups.

4-Ethynylaniline is primarily used in pharmaceutical research for the development of drugs, particularly in the synthesis of compounds with biological activity. It also finds applications in the chemical industry as an intermediate for dyes, polymers, and other specialty chemicals. Its reactivity makes it valuable in organic synthesis and research settings.

4-Ethynylaniline is considered hazardous and should be handled with care. It may cause skin and eye irritation, and inhalation can be harmful. Safety standards recommend using appropriate personal protective equipment (PPE) and working in a well-ventilated area. It is classified as a substance requiring caution in laboratory and industrial environments.

4-Ethynylaniline should be stored in a cool, dry, and dark place, away from heat and direct sunlight. It is best kept in a sealed container to prevent moisture absorption. Storage conditions should maintain a temperature below 25°C and humidity levels below 60% to ensure stability and prolong shelf life.