4-nitrobenzoic acid
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| Chemical formula | C7H5NO4 |
|---|---|
| OTP appearance | light yellow crystals |
| Molar Mass(g/mol) | 167.1189 |
| Density(g/cc) | 1.58 |
| Melting Point(°C) | 237 |
| Boiling Point(°C) | sublimes |
| Solubility in water(g/L) | <1 |
| NFPA 704 |  1
3
0
|
Uses
Primary
- Key intermediaste in the production of benzocaine and other related compounds procaine
Natural occurrence
Hazards
Production
Extraction
Synthesis
Oxidize 4-nitrotoluene to 4-nitrobenzoic acid using sodium dichromate in dilute sulfuric acid
- C6H4NO2CH3 + 3 Na2Cr2O7 → C7H5NO4 + 3 Na2CrO4 + 3 CrO2 + H2O