2,7-Dioctyl[1]benzothieno[3,2-b][1]benzothiophene(CAS: 583050-70-8)

2,7-Dioctyl[1]benzothieno[3,2-b][1]benzothiophene is a crystalline compound with a molecular weight of approximately 418.44 g/mol. It has a low solubility in water but is soluble in organic solvents such as dichloromethane and acetone. This compound exhibits low reactivity under normal conditions but shows significant reactivity under ultraviolet light, similar to other benzothiophene derivatives.

2,7-Dioctyl[1]benzothieno[3,2-b][1]benzothiophene is synthesized via a multistep process involving the bromination of 2,7-dichloro[1]benzothieno[3,2-b][1]benzothiophene followed by a coupling reaction with octyllithium. The process typically yields a product with a purity of over 90%, and the reaction is catalyzed by triphenylphosphine.

2,7-Dioctyl[1]benzothieno[3,2-b][1]benzothiophene is used in the electronics industry for the production of organic light-emitting diodes (OLEDs) and photovoltaic devices. It is also utilized in the pharmaceutical industry for the synthesis of certain drugs and in the polymer industry for the development of advanced materials with unique optical and electronic properties.

When handling 2,7-Dioctyl[1]benzothieno[3,2-b][1]benzothiophene, appropriate personal protective equipment (PPE) should be worn, including gloves, goggles, and a lab coat. The compound should be stored in a cool, dry place away from direct sunlight, and fume hood use is recommended during handling. In case of spill, the area should be ventilated, and the compound should be handled according to the Material Safety Data Sheet (MSDS) guidelines.