4-Methylbiphenyl(CAS: 644-08-6)

4-Methylbiphenyl (CAS: 644-08-6) is a white crystalline solid with a molecular weight of 142.19 g/mol. It has a melting point of 85-86°C and a boiling point of 261-262°C. The compound is slightly soluble in water but soluble in common organic solvents like ethanol, acetone, and toluene. It is moderately reactive towards electrophiles and is used in various chemical reactions.

4-Methylbiphenyl (CAS: 644-08-6) can be synthesized via Friedel-Crafts alkylation of biphenyl with methane in the presence of aluminum chloride as a catalyst. This method gives good yield and selectivity. The reaction conditions are typically performed at temperatures between 100-150°C to ensure a high reaction rate and selectivity towards the desired product.

4-Methylbiphenyl (CAS: 644-08-6) is widely used in the pharmaceutical industry for the synthesis of organic compounds and intermediates. It is also utilized in the polymer industry for the production of certain plastics and elastomers. Additionally, it has applications in the semiconductor industry for creating sensitive components and in sensor technology for detecting specific gases and chemicals.

When handling 4-Methylbiphenyl (CAS: 644-08-6), it is important to use personal protective equipment (PPE) such as gloves, goggles, and a lab coat. The substance should be stored in a cool, well-ventilated area away from heat and sources of ignition. In case of a spill, it should be handled in a fume hood, and appropriate safety data sheets (SDS) should be consulted for detailed spill cleanup procedures. Always ensure proper ventilation and work within a fume hood to minimize inhalation risks.