P-nitroaniline, yellow needle shaped crystals, highly toxic, easily sublimated. Slightly soluble in cold water, soluble in boiling water, ethanol, ether, benzene, and acid solutions, widely used in the dye industry as an artificial synthetic chemical. It is an intermediate in various printing and dyeing and pharmaceutical chemicals, and can also be used as an analytical reagent. Wear protective measures during operation to avoid release into the environment.

Chinese alias：4-硝基苯胺；1-氨基-4-硝基苯

English alias：p-Nitrophenylamine;1-Amino-4-nitrobenzene;4-Nitrobenzenamine

P-nitroaniline is an extremely important intermediate for dye work. The varieties that can be directly used for synthesis include: direct sun resistant black G, direct green B, BE, 2B-2N, black green NB, direct gray D, acid black 10B, ATT, dispersed red p-4G, Yangli deep yellow 2RL, and fur black D; Synthetic dye intermediates: o-chlorop-nitroaniline, 2.6-dichloro-4-nitroaniline, 2.6-dibromo-4-nitroaniline, 5-nitro-2-chlorophenol, etc; Synthetic pesticides such as chloronitroamine, pharmaceutical caryophyllum, and nicotinamide; In terms of new materials: p-phenylenediamine; Disperse dyes synthesized using p-nitroaniline as a diazo component include: Disperse Orange 288, 1 Disperse Orange 1, 3, 7, 21, etc., Red 1, 2, 7, 17, etc., Blue 259; Black 2.3.28.29, etc. It is also a raw material for anti-aging agents, light stabilizers, and developers. Dangerous category: Class 6.1 dangerous goods; Toxic.

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