2,3-Difluorobenzonitrile

Basic Information

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CAS Number

21524-39-0

Molecular Formula

C7H3F2N

Molecular Weight

139.1 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Nitriles

Fine Chemicals Specialty Chemicals UV Stabilizers

Agricultural Chemicals Pesticides Herbicides

Electronic Chemicals Semiconductor Materials Etchants

Basic Physical Properties

Boiling Point

189 °C

Refractive Index

n20/D 1.4882(lit.)

SMILES

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C1=CC(=C(C(=C1)F)F)C#N

InChI

InChI=1S/C7H3F2N/c8-6-3-1-2-5(4-10)7(6)9/h1-3H

InChIKey

GKPHNZYMLJPYJJ-UHFFFAOYSA-N

LogP

1.83648

Complexity

160

Safety Information

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GHS Hazard Pictograms

H302

H312

H315

H319

H332

H335

Hazard Statement

H302 Harmful if swallowed
Acute toxicity, oral

H312 Harmful in contact with skin
Acute toxicity, dermal

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H332 Harmful if inhaled
Acute toxicity, inhalation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Hazard Class

Class 6.1 Class 6.1

Synonyms & References

English

EN300-94960
1,2-difluoro-3-cyano-benzene
difluorobenzonitrile
CS-W008127
2,3-Difluorobenzonitrile, 98%
CL8131
MFCD00009976
21524-39-0
AC-4058
AKOS005254343
EINECS 244-418-3
DTXSID40175862
Benzonitrile, 2,3-difluoro-
SY009085
W-107544
D3500
NS00049817
2,3-difluoro-benzonitrile
AM61398
2,3-Difluorobenzonitril
SCHEMBL158537
DS-14682
FT-0609613
2,3-Difluorobenzonitrile
,3-Difluorobenzonitrile
1,2-difluoro-benzonitrile
2,3-DEHYDROXY ATORVASTATIN
2,3-Difluorobenzonit
3-fluoro-2-fluorobenzonitrile
Benzonitrile,2,3-difluoro
DIFLUORBENZONITRILE

MDL Number

MFCD00009976

Customs Code

2926909090

FAQ

What are the physical and chemical properties of 2,3-Difluorobenzonitrile (CAS: 21524-39-0)?

2,3-Difluorobenzonitrile (CAS: 21524-39-0) is a colorless to light yellow liquid with a molecular weight of 149.05 g/mol. It has a melting point of -55°C and a boiling point of 182°C. This compound is slightly soluble in water but miscible with common organic solvents. It is chemically stable but can react with strong reducing agents or bases.

How is 2,3-Difluorobenzonitrile (CAS: 21524-39-0) typically synthesized?

2,3-Difluorobenzonitrile is typically synthesized via the nitrilation of 2,3-difluorobenzoic acid or its derivatives using a suitable nitrating agent such as nitric acid in the presence of a catalyst like sulfuric acid. The reaction is carried out under controlled conditions to achieve high selectivity and yield.

What industries use 2,3-Difluorobenzonitrile (CAS: 21524-39-0)?

2,3-Difluorobenzonitrile (CAS: 21524-39-0) is used in various industries, including pharmaceuticals for the synthesis of intermediates, polymers for functional materials, and sensors for detecting specific gases. It is also utilized in the electronics industry for its use in semiconductors and other advanced materials.

What precautions should be taken when handling 2,3-Difluorobenzonitrile (CAS: 21524-39-0)?

Precautions when handling 2,3-Difluorobenzonitrile (CAS: 21524-39-0) include wearing appropriate personal protective equipment (PPE) such as gloves, goggles, and lab coats. Handle in a fume hood to minimize inhalation risks. Store in a cool, dry place away from incompatible materials. In case of spill, use appropriate spill clean-up materials and refer to the Safety Data Sheet (SDS) for detailed instructions.