Introduction：Basic information about CAS 20372-63-8|4,5-Difluoro-2-nitrobenzoic acid, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 4,5-Difluoro-2-nitrobenzoic acid |
|---|
| CAS Number | 20372-63-8 | Molecular Weight | 203.100 |
|---|
| Density | 1.7±0.1 g/cm3 | Boiling Point | 349.7±42.0 °C at 760 mmHg |
|---|
| Molecular Formula | C7H3F2NO4 | Melting Point | 165-167 °C(lit.) |
|---|
| MSDS | ChineseUSA | Flash Point | 165.3±27.9 °C |
|---|
| Symbol |
GHS07 | Signal Word | Warning |
|---|
Names
| Name | 4,5-Difluoro-2-nitrobenzoic acid |
|---|
| Synonym | More Synonyms |
|---|
Chemical & Physical Properties
| Density | 1.7±0.1 g/cm3 |
|---|
| Boiling Point | 349.7±42.0 °C at 760 mmHg |
|---|
| Melting Point | 165-167 °C(lit.) |
|---|
| Molecular Formula | C7H3F2NO4 |
|---|
| Molecular Weight | 203.100 |
|---|
| Flash Point | 165.3±27.9 °C |
|---|
| Exact Mass | 203.003021 |
|---|
| PSA | 83.12000 |
|---|
| LogP | 1.61 |
|---|
| Vapour Pressure | 0.0±0.8 mmHg at 25°C |
|---|
| Index of Refraction | 1.563 |
|---|
| InChIKey | HGGRAOYTQNFGGN-UHFFFAOYSA-N |
|---|
| SMILES | O=C(O)c1cc(F)c(F)cc1[N+](=O)[O-] |
|---|
Safety Information
| Symbol |
GHS07 |
|---|
| Signal Word | Warning |
|---|
| Hazard Statements | H315-H319-H335 |
|---|
| Precautionary Statements | P261-P305 + P351 + P338 |
|---|
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
|---|
| Hazard Codes | Xi:Irritant; |
|---|
| Risk Phrases | R36/37/38 |
|---|
| Safety Phrases | S26 |
|---|
| RIDADR | NONH for all modes of transport |
|---|
| WGK Germany | 3 |
|---|
| HS Code | 2916399090 |
|---|
Customs
| HS Code | 2916399090 |
|---|
| Summary | 2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
|---|
Articles2
More Articles
| Synthesis of 4-hydroxyquinolin-2 (1H)-one analogues and 2-substituted quinolone derivatives.Jung J-C, et al. J. Heterocycl. Chem. 38(1) , 61-67, (2001)
| |
| Fluorinated benzoic acid derivatives.DeGraw JI, et al. J. Chem. Eng. Data 13(4) , 687-88, (1968)
| |
Synonyms
| 4,5-Difluoro-2-nitrobenzoic acid |
| WNR CF DF FVQ |
| Benzoic acid, 4,5-difluoro-2-nitro- |
| 2-NITRO-4,5-DIFLUOROBENZOIC ACID |
| 4,5-Difluoro-2-nitro benzoic acid |
| 4,5-DIFLUORO-2-NITROBENZENECARBOXYLIC ACID |
| 3,4-difluoro-6-nitrobenzoic acid |
| MFCD00799521 |
