There are not many companies in the biphenyl industry, but there is great potential for future development.
Biphenyl is a polycyclic aromatic hydrocarbon composed of two independent benzene rings. It appears as white or yellowish scaly crystals and has a unique fragrance. It is insoluble in water, acid and alkali, and soluble in organic solvents such as alcohol, ether and benzene. Reactions such as halogenation, nitration, sulfonation, and hydrogenation can occur, and…
