Chemical Name: 2,5-Difluorobenzoic acidCAS No.:2991-28-8Assay: ≥99%Appearance:White Powder
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2,5-Difluorobenzoic acid Usage: Used as intermediates of pharmaceuticals, pesticides and OLED materials. 2,5-Difluorobenzoic acid Packaging and Shipping: 25kg/drum or as per buyer's requirements 2,5-Difluorobenzoic acid Storage: Storage in ventilated low temperature dry warehouse; Keep container closed and separately from open flame and heat source.
2,5-difluorobenzoic acid.
Solubility: 2,5-difluorobenzoic acid has low solubility in water and good solubility in organic solvents such as ethanol and dimethylformamide.
Acidity: It is an acidic substance that can react to form corresponding salts and esters.
2,5-difluorobenzoic acid has some important applications in industry, including:
Pesticide intermediates: can be used as intermediates in the manufacture of certain pesticides, such as oxalic acid herbicides.
Dye synthesis: Raw materials that can be used to synthesize specific dyes.
The method for preparing 2,5-difluorobenzoic acid can generally be carried out through the following steps:
Firstly, a fluorinating agent is used to replace the two hydrogen atoms in benzoic acid with fluorine atoms, resulting in 2,5-difluorobenzoic acid.
When using or handling 2,5-difluorobenzoic acid, the following safety information should be taken with caution:
Avoid inhalation: Prolonged exposure or inhalation of 2,5-difluorobenzoic acid powder or vapor should be avoided to prevent damage to the respiratory tract and lungs.
Eye and skin contact: When in contact with eyes or skin, rinse immediately with plenty of water.
Use personal protective equipment: When operating 2,5-difluorobenzoic acid, appropriate protective gloves, goggles, and protective clothing should be worn.
Storage precautions: 2,5-difluorobenzoic acid should be stored in a dry, well ventilated place to avoid contact with flammable substances and kept away from sources of ignition.
Nom | 2,5-Difluorobenzoic acid |
Synonymes | RARECHEM AL BO 0019 2,5-Difluorobenzoic 2,5-difluorobenzoate 2,5-Difluorobenzic acid 2,5-Difluorobenzoicacid 2,5-DIFLUOROBENZOIC ACID 2,5-Difluorobenzoic acid 2,3-Dichloro benzoic acid Benzoic acid, 2,5-difluoro- 2-chloro-6-flurobenzyl cyanide |
CAS | 2991-28-8 |
EINECS | 221-060-6 |
InChI | InChI=1/C7H4F2O2/c8-4-1-2-6(9)5(3-4)7(10)11/h1-3H,(H,10,11)/p-1 |
Inchikey | LBQMIAVIGLLBGW-UHFFFAOYSA-N |
Formule moléculaire | C7H4F2O2 |
Masse molaire | 158.1 |
Densité | 1.3486 (estimate) |
Point de fusion | 132-134 °C (lit.) |
point Boling | 244.7±20.0 °C(Predicted) |
Point d'éclair | 101.8°C |
Solubilité dans l'eau | Insoluble dans l'eau. |
Solubilité | acetone: soluble25mg/mL, clear, faintly yellow |
pression vapeur | 0.016mmHg at 25°C |
Apparence | Poudre cristalline blanche |
Couleur | blanc |
BRN | 973351 |
Le PKA | 2.93±0.10(Predicted) |
Condition de stockage | Scellé à sec, température ambiante |
MDL | MFCD00002410 |
Propriétés physiques et chimiques | White powder |
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