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| 3,4-Difluorobenzonitrile Basic information |
| Product Name: | 3,4-Difluorobenzonitrile | | Synonyms: | 3,4-fluorobenzonitrile;3,4-difluorophenyl-carbonitrile;LABOTEST-BB LT00847816;4-CYANO-1,2-DIFLUOROBENZENE;3,4-DIFLUOROBENZONITRILE;Benzonitrile, 3,4-difluoro- (9CI);3,4-Difluorobenzonitrile,98%;Benzonitrile, 3,4-difluoro- | | CAS: | 64248-62-0 | | MF: | C7H3F2N | | MW: | 139.1 | | EINECS: | 264-751-8 | | Product Categories: | C6 to C7;Cyanides/Nitriles;Fluorobenzene;Miscellaneous;Fluorine Compounds;Nitrogen Compounds;NITRILE;Trifluoromethoxybenzene Series;Nitriles;Pesticide Intermediate;Fluorine series;J's | | Mol File: | 64248-62-0.mol |
| 3,4-Difluorobenzonitrile Chemical Properties |
| Melting point | 52-54 °C (lit.) | | Boiling point | 180 °C | | density | 1.2490 (estimate) | | Fp | 157 °F | | storage temp. | Sealed in dry,Room Temperature | | solubility | soluble in Methanol | | form | powder to lump | | color | White to Light yellow | | BRN | 2082224 | | InChIKey | BTBFCBQZFMQBNT-UHFFFAOYSA-N | | CAS DataBase Reference | 64248-62-0(CAS DataBase Reference) |
| 3,4-Difluorobenzonitrile Usage And Synthesis |
| Chemical Properties | white to light yellow crystal powder | | Uses | 3,4-Difluorobenzonitrile has been used in the preparation of:- fluorophenoxy herbicides
- fluorine substituted benzyl amides
| | Preparation | The preparation of 3,4-Difluorobenzonitrile is as follows:To the dry reactor was added 289.6 kg (1.843 kmoles) of 3,4-difluorobenzamide and 800 kg of dichloroethane solution, 241.2 kg (2.02 kmoles) of dichlorosulfoxide and catalyst DMF I.5 And the reaction was carried out at 50 ° C for 5 hours with stirring. After the reaction was complete, the reaction solution was poured into ice water with stirring and the mixture was separated to obtain a crude product having a qualitative content of 96% of 3,4-difluorobenzonitrile 259.1 kg (1.788 kmoles) in 97% yield. The crude product was distilled to give a qualitative content of 99% of 3,4,8-difluorobenzonitrile 248.6 kg (1.77 kmoles) and a distillation yield of 99%. |
| 3,4-Difluorobenzonitrile Preparation Products And Raw materials |
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