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4-Nitroaniline, p-nitroaniline or 1-amino-4-nitrobenzene is an organic compound with the formula C 6 H 6 N 2 O 2. A yellow solid, it is one of three isomers of nitroaniline. It is an intermediate in the production of dyes, antioxidants, pharmaceuticals, gasoline, gum inhibitors, poultry medicines, and as a corrosion inhibitor. [3]
The term nitroaniline in chemistry refers to a derivative of aniline (C 6 H 5 NH 2) containing a nitro group (—NO 2) There are three simple nitroanilines of formula C 6 H 4 (NH 2)(NO 2) which differ only in the position of the nitro group: 2-Nitroaniline; 3-Nitroaniline; 4-Nitroaniline
2,6-Dichloro-4-nitroaniline is an organic compound with the formula O 2 NC 6 H 2 Cl 2 NH 2. It is the most widely discussed isomer of dichloronitroaniline, mainly as a precursor to the azo dye disperse brown 1. It is prepared by treatment of 4-nitroaniline with a mixture of hydrochloric acid and hydrogen peroxide (a source of chlorine). [3] [4]
2-Methoxy-4-nitroaniline is an organic compound with the formula O 2 NC 6 H 3 (OCH 3)NH 2. [2] It is one of four isomers of methoxynitroaniline. The compound is a precursor to the commercial Pigment Yellow 74.
4-Nitroaniline; Urocanic acid; cis-Urocanic acid This page was last edited on 10 March 2024, at 14:53 (UTC). Text is available under the Creative Commons ...
Compared to aniline, the basicity of 2,4-dinitroaniline is even weaker. It is due to the electron-withdrawing nature of the nitro groups. This makes the pK a of conjugate acid of 2,4-dinitroaniline being even lower than that of hydronium ions, meaning that it is a strong acid. C 6 H 3 (NH + 3)(NO 2) 2 + H 2 O → C 6 H 3 (NH 2)(NO 2) 2 + H 3 O +
Alizarine Yellow R is produced by azo coupling of salicylic acid and diazonium derivative of 4-Nitroaniline. ... Creative Commons Attribution-ShareAlike 4.0 ...
In enzymology, a D-benzoylarginine-4-nitroanilide amidase (EC 3.5.1.72) is an enzyme that catalyzes the chemical reaction N-benzoyl-D-arginine-4-nitroanilide + H 2 O ⇌ {\displaystyle \rightleftharpoons } N-benzoyl-D-arginine + 4-nitroaniline