BIPHENYL (92-52-4)

Product Overview

Biphenyl, or diphenyl, is a chemical compound composed of two benzene rings linked by a single bond. It appears as colorless to yellowish crystals, possesses a distinct odor, and is naturally found in oil, natural gas, and coal tar. This clear liquid has applications ranging from fungicide and heat transfer agent to dye carrier and intermediate in organic synthesis. While combustible, biphenyl emits toxic fumes under fire conditions. Handling precautions are crucial due to potential health hazards, including liver and nervous system damage, upon exposure. Proper storage and disposal methods must be observed.

Characteristic Data

Molar Mass154.21 g/mol
Melting Point69.2 °C
Boiling Point255 °C
Vapor density5.31 (vs air)
Vapor pressure9.46 mm Hg ( 115 °C)
Flash point113 °C
SolubilitySoluble in alcohol and ether
FormCrystalline Powder, Crystals or Flakes
ColorWhite to faint yellow
OdorPleasant odor
Odor TypeGreen
Density1.04 g/cm³
Water SolubilityInsoluble
IUPAC IDBiphenyl


Why Choose Prisco Chem


To be a reliable supplier by providing innovative products in service solutions.


To be a Leader in Heat Transfer Fluids (HTF) Business and grow our portfolio of speciality chemicals.


To provide customers with top quality products and services in a most responsible manner.

Work Ethics

Ethics is not definable, it is not implementable when it is not a part of individual consciousness. It involves not only our thinking but also our feelings.


Biphenyl is an organic compound that crystallizes into colorless crystals. It is often recognized for its distinctively pleasant smell. Frequently found in older literature, compounds with the functional group of biphenyl minus one hydrogen may use the prefixes xenyl or diphenyl.

Biphenyl finds application in various industrial processes, such as heat transfer fluids and as a precursor in the production of certain chemicals. Its unique chemical structure and stability make it suitable for a range of applications, including use in electrical transformers and as a heat transfer medium in liquid-phase heat exchangers.

In older literature, compounds containing the functional group of biphenyl with one less hydrogen atom may use the prefixes “xenyl” or “diphenyl.” These terms help distinguish specific chemical structures and are part of historical nomenclature.

Biphenyl is generally considered safe for common use. However, as with any chemical substance, it is important to follow safety guidelines and use proper handling procedures. Biphenyl’s pleasant smell also contributes to its ease of detection, allowing for prompt identification in case of leaks or spills.

Biphenyl is known for its distinctively pleasant smell. This aromatic characteristic, along with its stability, has led to its use in certain applications where its odor may be desirable, such as in the production of perfumes and fragrances.

Have a Questions?

We Are Prisco Chem

Request a Quote

Get an Estimate

Request A Quote