Question

preparation and important properties of biphenyl​

Answer 1

Explanation:

Biphenyl (also known as diphenyl, phenylbenzene, 1,1′-biphenyl, lemonene or BP) is an organic compound that forms colorless crystals. Particularly in older literature, compounds containing the functional group consisting of biphenyl less one hydrogen (the site at which it is attached) may use the prefixes xenyl or diphenylyl.[4]

Biphenyl

Skeletal formula

Space filling model showing its twisted conformation

sample

Names

Preferred IUPAC name

1,1'-Biphenyl

Other names

Biphenyl

Phenyl benzene

Identifiers

CAS Number

92-52-4 ☑

3D model (JSmol)

Interactive image

ChEBI

CHEBI:17097 ☑

ChEMBL

ChEMBL14092 ☑

ChemSpider

6828 ☑

ECHA InfoCard

100.001.967

E number

E230 (preservatives)

KEGG

C06588 ☑

PubChem CID

7095

UNII

2L9GJK6MGN ☑

CompTox Dashboard (EPA)

DTXSID4020161 Edit this at Wikidata

InChI

InChI=1S/C12H10/c1-3-7-11(8-4-1)12-9-5-2-6-10-12/h1-10H ☑

Key: ZUOUZKKEUPVFJK-UHFFFAOYSA-N ☑

InChI=1/C12H10/c1-3-7-11(8-4-1)12-9-5-2-6-10-12/h1-10H

Key: ZUOUZKKEUPVFJK-UHFFFAOYAV

SMILES

c1ccccc1-c2ccccc2

Properties

Chemical formula

C12H10

Molar mass

154.212 g·mol−1

Appearance

Colorless to pale-yellow crystals

Odor

pleasant[1]

Density

1.04 g/cm3[2]

Melting point

69.2 °C (156.6 °F; 342.3 K)[2]

Boiling point

255 °C (491 °F; 528 K)[2]

Solubility in water

4.45 mg/L[2]

Vapor pressure

0.005 mmHg (20°C)[1]

Magnetic susceptibility (χ)

−103.25·10−6 cm3/mol

Hazards

EU classification (DSD) (outdated)

Irritant (Xi)

Dangerous for

the environment