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3-Nitrobenzoic acid is an organic compound with the formula C 6 H 4 (NO 2)CO 2 H. It is an aromatic compound and under standard conditions, it is an off-white solid. The two substituents are in a meta position with respect to each other, giving the alternative name of m-nitrobenzoic acid.
It can be prepared by nitration of benzoic acid. It also can be prepared by treating benzaldehyde under nitration conditions, a process that initially converts the aldehyde to the acid. 4-Nitrobenzoic acid is a precursor to 4-aminobenzoic acid, which is in turn used to prepare the anesthetic procaine. 4-Nitrobenzoic acid is prepared by ...
Density (g cm-3) Boiling point (°C) K b (°C⋅kg/mol) Freezing point (°C) K f (°C⋅kg/mol) Data source; Aniline: 184.3 3.69 –5.96 –5.87 K b & K f [1] Lauric acid: 298.9 44 –3.9 Acetic acid: 1.04 117.9 3.14 16.6 –3.90 K b [1] K f [2] Acetone: 0.78 56.2 1.67 –94.8 K b [3] Benzene: 0.87 80.1 2.65 5.5 –5.12 K b & K f [2 ...
1 Boiling points, Master List format. 2 Periodic Table format. 3 Notes. 4 References. Toggle References subsection. 4.1 Zhang et al. ... Melting points of the ...
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3,5-dinitrobenzoic acid-2-propylester (mp.: 123 °C [4]). Compared to 4-nitrobenzoic acid, another acid that is used similarly, derivates of 3,5-dinitrobenzoic acid have higher melting points, so that it is preferred when the 4-nitrobenzoic acid derivate has a melting point too low to be accurately identified. [4]
A pattern of reducing the nitro group to an amino group and subsequently forming amides by the addition to carboxylic acids (namely nitrobenzoic acid) occurs. Reductive cyclization of the subsequent product using hexamethyldisilazane , zinc chloride and dimethylformamide forms the disubstituted heterocycle present in the (−)-phaitantrin D ...
2-Nitrobenzoic acid or o-nitrobenzoic acid is an organic compound with the formula C 6 H 4 (NO 2)CO 2 H. It is prepared by oxidation of 2-nitrotoluene with nitric acid. [1] In consists of a carboxylic acid group and a nitro group in the ortho configuration. Reduction of the nitro group into an amine produces anthranilic acid.
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