57422-77-2

Density：1.667 g/cm3

Boiling Point：332ºC at 760 mmHg

Flash Point：179.4ºC

Refractive Index：1.625

2,5-Dibromobiphenyl

2,5-Dibromobiphenyl is an aromatic compound with the molecular formula C12H8Br2. It is an important intermediate in the synthesis of dyes and pharmaceuticals. It has a melting point of 154-156 °C and a boiling point of 333 °C.

2,5-Dibromobiphenyl is a white crystalline solid with a slightly pungent odor. It is slightly soluble in water and is soluble in ethanol, ether, and benzene. It is insoluble in hydrocarbons, such as hexane, and is slightly soluble in chloroform.

2,5-Dibromobiphenyl can be produced by the reaction of bromobenzene with 2-bromo-5-nitrotoluene in the presence of ammonium chloride. It can also be prepared through the reaction of 2,5-dichlorobiphenyl with sodium bromide in the presence of sodium hydroxide.

2,5-Dibromobiphenyl is widely used in the synthesis of dyes, including azo dyes, reactive dyes, direct dyes, and acid dyes. It is also used in the synthesis of pharmaceuticals and other organic compounds, such as narcotics and antioxidants.

2,5-Dibromobiphenyl is a hazardous material and should be handled with care. It is toxic and may cause skin and eye irritation. It should be kept away from heat and flame and should be stored in a cool, dry place. In case of contact with the skin or eyes, flush with plenty of water and seek medical attention.

In conclusion, 2,5-Dibromobiphenyl is an important intermediate in the synthesis of dyes and pharmaceuticals. It is toxic and should be handled with care. It is widely used in the synthesis of azo dyes, reactive dyes, direct dyes, acid dyes, and other organic compounds.