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2,4-Difluorobenzonitrile

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Origin: China

Cas No: 3939-09-1

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

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

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Product Description

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CAS No.: 3939-09-1 Formula: C7H3F2N Molecular Weight: 139.10200

Description

2,4-Difluorobenzonitrile, is a versatile Fluorinated building block, used in the synthesis of various pharmaceutical and biologically active compounds. It has been shown to be used in the preparation of a series of 3-Aryl-3-hydroxy-1-phenylpyrrolidine derivatives, acting as novel androgen receptor antagonists.

Basic Info

Chemical Name	2,4-Difluorobenzonitrile
Synonyms	1,3-Difluor-4-cyanobenzol; BENZONITRILE,2,4-DIFLUORO-; NO: 3939-9-1; 2(4-DIFLUOROBENZONITRILE; 2,4-Difluoro benzonitrile; 2,4-Difluorobenzonit; 1-cyano-2,4-difluorobenzene; 2.4-Difluorbenznitril; 2,4-difluorobenzenecarbonitrile; 2,4-Difluorobenzonitril; 4-Difluorobenzonitrile; 2 4-DIFLUOROBENZONITRILE; 2,4-difluorobenzonilyile; 2,4-difluoro-benzonitrile; 2,4-Difuorobenzonitrile;
CAS No.	3939-09-1
Molecular Formula	C7H3F2N
Molecular Weight	139.10200
PSA	23.79000
LogP	1.83648

Properties

Appearance & Physical State	white crystalline solid
Density	1.26 g/cm3
Boiling Point	181.6ºC at 760 mmHg
Melting Point	45-50ºC
Flash Point	63.6ºC
Refractive Index	1.486
Vapor Pressure	0.845mmHg at 25°C

Safety Info

Hazard Class	6.1
Safety Statements	S26-S36/37/39
HS Code	2926909090
Packing Group	III
WGK Germany	3
RIDADR	3439
Risk Statements	R20/21/22; R36/37/38
Hazard Codes	Xn

Synthesis Route

2-Chloro-4-nitrobenzonitrile→2,4-Difluorobenzonitrile+2-Chloro-4-fluorobenzonitrile
2,4-dinitrobenzonitrile→2,4-Difluorobenzonitrile+2-FLUORO-4-NITROBENZONITRILE
1-Chloro-2,4-difluorobenzene+zinc,dicyanide→2,4-Difluorobenzonitrile

Precursor

potassium cyanide
1-Chloro-2,4-difluorobenzene
2-Chloro-4-nitrobenzonitrile
zinc,dicyanide

Downstream Product

2-Fluorobenzonitrile
2,4-Difluoro-3-formylbenzonitrile
3,3'-difluoro-[1,1'-biphenyl]-4,4'-dicarbonitrile
3-Amino-6-fluoro-1H-indazole

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