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Sigma-Aldrich

2,6-Difluorobenzonitrile

97%

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About This Item

Linear Formula:
F2C6H3CN
CAS Number:
1897-52-5
Molecular Weight:
139.10
Beilstein/REAXYS Number:
2045292
EC Number:
217-589-7
MDL number:
MFCD00001778
UNSPSC Code:
12352100
PubChem Substance ID:
24851242
NACRES:
NA.22

Quality Level

200

assay

97%

form

solid

refractive index

n20/D 1.4875 (lit.)

bp

197-198 °C

mp

25-28 °C (lit.)

density

1.246 g/mL at 25 °C (lit.)

SMILES string

Fc1cccc(F)c1C#N

InChI

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

InChI key

BNBRIFIJRKJGEI-UHFFFAOYSA-N

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Application

2,6-Difluorobenzonitrile was used in the synthesis of:
  • poly(cyanoaryl ethers) via silyl-method
  • 2-dimethylamino-6-fluorobenzamide
  • phenolphthalein-modified polyarylene ether nitrile copolymers

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

194.0 °F - closed cup

flash_point_c

90 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Synthesis and properties of phenolphthalein-based polyarylene ether nitrile copolymers.
Li C, et al.
Materials Letters, 60(1), 137-141 (2006)
Synthesis and laboratory evaluation of 1-(2,6-disubstituted benzoyl)-3-phenylureas, a new class of insecticides. II. Influence of the acyl moiety on insecticidal activity.
K Wellinga et al.
Journal of agricultural and food chemistry, 21(6), 993-998 (1973-11-01)
New polymer syntheses, 15 Syntheses of aromatic polyethers from difluorobenzonitriles and silylated diphenols.
Kricheldorf HR, et al.
Makromol. Chem., Rapid Commun., 8(11), 529-534 (1987)
Xiaocan Liu et al.
Polymers, 11(9) (2019-08-31)
Porous materials with high specific surface area possess a broad application prospect in the treatment of wastewater. In this work, sulfonated poly(arylene ether nitrile) (SPEN) functionalized with a carboxylic acid group was successfully synthesized, which was subsequently transformed into SPEN
Chenchen Liu et al.
Polymers, 11(7) (2019-07-07)
Poly(arylene ether nitrile)s with sulfonic and carboxylic groups (SCPEN) were synthesized to investigate their electrical properties. This new series of copolymers were prepared by copolymerization of phenolphthalein, potassium hydroquinonesulfonate, and 2,6-difluorobenzonitrile, in different mole ratios. Their thermal, mechanical and dielectric
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