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4-Nitroaniline

4-Nitroaniline

CAS No.: 100-01-6
Molecular formula: C6H6N2O2
Molecular weight: 138.12
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Nature

Melting point

147 °C

Boiling point

332 °C

Density

1,437 g/cm3

Refractive index

1.6465 (estimate)

Flash point

329 °F

Storage conditions

Store at R.T.

Solubility

ethanol: soluble25mg/mL, slightly hazy, yellow to brownish-yellow

Acidity coefficient (pKa)

1(at 25℃)

Color index

37035

form

crystalline

colour

yellow

Water solubility

0.8 g/L (20 ºC)

Merck

14,6584

BRN

508690

stability

Stable. Incompatible with sodium hydroxide, strong oxidizing agents, strong reducing agents. May attack some plastics, rubber and coatings. May decompose explosively in the presence of initiators. Moisture sensitive. May be light and air-sensitive.

CAS database

100-01-6(CAS DataBase Reference)


Chemical properties

Yellow needle crystals. Slightly soluble in cold water, soluble in boiling water, ethanol, ether, benzene and acid solution.


Use

1. It is an intermediate of various direct, acidic, disperse dyes and pigments, an important pesticide intermediate.

2. p-Nitroaniline is an intermediate for rodenticides and rodenticides.

3. The product is ice dyed red GG color base, which can be used as black salt K for dyeing and printing cotton and linen fabrics. However, it is mainly used as an azo dye intermediate, such as for the production of direct dark green B, acidic medium brown G, acid black 10B, acid hair element ATT, fur black D and direct gray D. It can also be used as an intermediate for pesticides and veterinary drugs. It can be used in the pharmaceutical industry to produce niclosamide, carbachol, nitrodiazepine, quinoline urea sulfate. It can also be used to produce p-phenylenediamine, antioxidants and preservatives.

4. Used as analytical reagents and dye intermediates

5. Color reaction of the product


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