2,6-Difluorobenzonitrile
- CAS NO.：1897-52-5
- Empirical Formula: C7H3F2N
- Molecular Weight: 139.1
- MDL number: MFCD00001778
- EINECS: 217-589-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-11-08 10:59:09
What is 2,6-Difluorobenzonitrile?
Chemical properties
white to light yellow crystal powder
The Uses of 2,6-Difluorobenzonitrile
2,6-Difluorobenzonitrile is a halogenated benzonitrile with fungacidal activity. 2,6-Difluorobenzonitrile is the difluoro analogue of the herbicide Dichlobenil.
The Uses of 2,6-Difluorobenzonitrile
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
Flammability and Explosibility
Non flammable
Synthesis
2,6-Difluorobenzonitrile [1897-52-5], 1- cyano-2,6-difluorobenzene, Mr 172.02, mp 29 – 30℃, forms colorless crystals. The nitrile can be produced by treatment of 2,6-dichlorobenzonitrile with potassium fluoride in sulfolane and is used as an intermediate in the synthesis of insecticides (e.g., Dimilin, Shell).
Properties of 2,6-Difluorobenzonitrile
| Melting point: | 25-28 °C (lit.) |
| Boiling point: | 197-198 °C |
| Density | 1.246 g/mL at 25 °C (lit.) |
| vapor pressure | 18Pa at 20℃ |
| refractive index | n |
| Flash point: | 176 °F |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | DMSO (Slightly), Methanol (Slightly) |
| form | Solid |
| color | Off-White Low Melting |
| Water Solubility | 1.87g/L at 19.85℃ |
| BRN | 2045292 |
| CAS DataBase Reference | 1897-52-5(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzonitrile, 2,6-difluoro-(1897-52-5) |
| EPA Substance Registry System | Benzonitrile, 2,6-difluoro- (1897-52-5) |
Safety information for 2,6-Difluorobenzonitrile
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 2,6-Difluorobenzonitrile
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