3,3'-(1,3-Butadiyne-1,4-diyl)dianiline(CAS: 31661-59-3)

3,3'-(1,3-Butadiyne-1,4-diyl)dianiline is a crystalline compound with a molecular weight of approximately 254.23 g/mol. It has a low solubility in water but is more soluble in organic solvents like DMF and DMSO. The compound is known for its high reactivity, especially towards electrophilic aromatic substitution reactions and condensation reactions.

3,3'-(1,3-Butadiyne-1,4-diyl)dianiline is synthesized by the condensation of two equivalents of aniline with 1,3-butadiyne in the presence of a base like sodium hydride. The reaction proceeds under mild conditions and yields a high purity product with good selectivity and a yield of around 75-80%.

3,3'-(1,3-Butadiyne-1,4-diyl)dianiline is primarily used in the development of organic semiconductors and sensors. It also finds applications in the pharmaceutical industry as a precursor for the synthesis of dye-based drug delivery systems. Additionally, it is used in the preparation of polymers with unique electronic and optical properties.

Proper personal protective equipment (PPE) should be worn when handling 3,3'-(1,3-Butadiyne-1,4-diyl)dianiline. This includes gloves, safety glasses, and a lab coat. Work should be performed in a well-ventilated area or a fume hood. In case of spillage, immediately clean up the spill using appropriate absorbent materials and dispose of the waste according to local regulations. Refer to the Safety Data Sheet (SDS) for detailed information on handling and disposal.