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4,4'-Difluorobiphenyl

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Origin: China

Cas No: 398-23-2

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

Property

CAS No.: 398-23-2 Formula: C12H8F2 Molecular Weight: 190.18900

Basic Info

Chemical Name	4,4'-Difluorobiphenyl
Synonyms	4,4-Difluorobiphenyl; 4,4‘-Difluorobiphenyl; 1,1‘-Biphenyl, 4,4‘-difluoro-; 1-fluoro-4-(4-fluorophenyl)benzene; 4,4'-Difluoro-1,1'-biphenyl;
CAS No.	398-23-2
Molecular Formula	C12H8F2
Molecular Weight	190.18900
PSA	0.00000
LogP	3.63180

Properties

Appearance & Physical State	light yellow crystal powder
Density	1.165 g/cm3
Boiling Point	254-255ºC
Melting Point	88-91ºC
Flash Point	254-255°C
Refractive Index	1.471
Stability	Stable at room temperature in closed containers under normal storage and handling conditions.
Storage Condition	Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Safety Info

Hazard Class	9
Safety Statements	S26-S37/39
Packing Group	II
WGK Germany	3
RIDADR	UN 3152
Risk Statements	R36/37/38
Hazard Codes	Xi
Signal Word	Warning
Hazard Declaration	H315; H319; H335
Caution Statement	P261; P305 + P351 + P338
Symbol	GHS07

Synthesis Route

monofluorobenzene+Ethyl 4-bromobenzoate→4,4'-Difluorobiphenyl+ethyl 4-(4-fluorophenyl)benzoate
3-iodophenol+p-Bromofluorobenzene→3-(4-fluorophenyl)phenol+4,4'-Difluorobiphenyl
1-bromo-3-methoxybenzene+1-Chloro-4-fluorobenzene→1-fluoro-4-(3-methoxyphenyl)benzene+4,4'-Difluorobiphenyl

GC Analysis

Column type	Active phase	Temperature (°C)	Retention Index (I)	Temperature Control Method
Capillary	PB-1	-	1356.	temperature ramp
Capillary	DB-5	-	1360.	temperature ramp
Capillary	PB-1	-	233.78	temperature ramp
Capillary	DB-5	-	234.08	temperature ramp
Capillary	DB-Wax	-	233.87	temperature ramp