4,4'-Difluorobiphenyl

Names

[ CAS No. ]:
398-23-2

[ Name ]:
4,4'-Difluorobiphenyl

[Synonym ]:
4,4-Difluorobiphenyl
1,1'-Biphenyl, 4,4'-difluoro-
1-fluoro-4-(4-fluorophenyl)benzene
EINECS 206-910-6
4,4'-Difluorobiphenyl
MFCD00000349
4,4‘-Difluorobiphenyl
4,4'-Difluoro-1,1'-biphenyl

Chemical & Physical Properties

[ Density]:
1.2±0.1 g/cm3

[ Boiling Point ]:
254.7±15.0 °C at 760 mmHg

[ Melting Point ]:
88-91 °C(lit.)

[ Molecular Formula ]:
C₁₂H₈F₂

[ Molecular Weight ]:
190.189

[ Flash Point ]:
88.8±8.3 °C

[ Exact Mass ]:
190.059402

[ LogP ]:
3.84

[ Vapour Pressure ]:
0.0±0.5 mmHg at 25°C

[ Index of Refraction ]:
1.536

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H315-H319-H335

[ Precautionary Statements ]:
P261-P305 + P351 + P338

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves

[ Hazard Codes ]:
Xi:Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S36-S37/39

[ RIDADR ]:
UN 3152 9/PG 2

[ WGK Germany ]:
3

[ Packaging Group ]:
II

[ Hazard Class ]:
9

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Articles

Induction of drug metabolism enzymes by dihalogenated biphenyls.

J. Biochem. Toxicol. 5(1) , 57-63, (1990)

The effects of pretreatment with symmetrically dihalogenated biphenyls (DXBs, X-F, Cl(C), Br(B) and I) on rat liver drug metabolism enzymes were investigated. 4,4'-DFB, -DCB, and -DBB as well as 2,2'-...

Biodegradation of polyfluorinated biphenyl in bacteria.

Biodegradation 22(4) , 741-9, (2011)

Fluorinated aromatic compounds are significant environmental pollutants, and microorganisms play important roles in their biodegradation. The effect of fluorine substitution on the transformation of f...