4-Nitrotoluene CAS 99-99-0

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  • Appearance: Yellow powder
  • Assay: 99. 0%min
  • Stock: In stock
  • Sample: Available
  • Zhishang Chemical: 4-Nitrotoluene Supplement

Basic Info of 4-Nitrotoluene

What is 4-Nitrotoluene?

4-nitrotoluene or p-nitrotoluene is an organic compound with the molecular formula CH 3 C 6 h 4 No 2. It is a light yellow solid. It is one of the three isomers of nitrotoluene.

Together with other isomers, 4-nitrotoluene is prepared by nitration of toluene, usually titanium nitrate (IV). It reacts, such as hydrogenation, to obtain p-toluidine.

p-Nitrotoluene is also known as 1-methyl-4-nitrobenzene, pale yellow crystal, melting point 54.5℃, boiling point 238.3℃. Soluble in benzene, ether, chloroform, carbon tetrachloride, soluble in ethanol, insoluble in water, and volatile with water vapor. Toxic! Mainly used in the manufacture of p-toluidine, bitoluidine, p-nitroformic acid, p-nitrotoluene-2-sulfonic acid, 3-chloro-4-nitrotoluene, etc. It is used as an intermediate for dyes, medicines, pesticides, synthetic materials, auxiliaries, and the like. This product is obtained by nitration of toluene with mixed acid and separation. At the same time co-production of o-nitrotoluene.

4-Nitrotoluene Uses

  1. 4-Nitrotoluene, also known as p-nitrotoluene, or 4-nitrotoluen. It is a pale yellow substance that forms diamond-shaped crystals and has a somewhat pleasant, characteristic bitter almond odor. It is almost insoluble in water. p-Nitrotoluene is mainly used for the production of DSD acid, whitening agent, as an intermediate for dyes, pesticides, medicines, synthetic fibers, and as a tracer for explosives detection.
  2. 4-Nitrotoluene is an intermediate of herbicides such as chloromethylene, and also an important chemical raw material.
  3. 4-Nitrotoluene is mainly used in the manufacture of p-toluidine, toluene diisocyanate, toluidine, p-nitrobenzoic acid, p-nitrotoluene-2-sulfonic acid, 2-nitro-p-toluidine, 3-chloro-4-nitro It is also used as dye intermediates and intermediates of pesticides, medicines, plastics and synthetic fiber auxiliaries.
  4. The main application involves its sulfonation to produce 4-NITROTOLUENE-2-SULFONIC acid (– SO3H group adjacent to methyl). This substance can be oxidative coupled to produce stilbene derivatives for use as dyes. Representative derivatives include molecular and salt forms of 4, 4 ‘- dinitro – and 4,4’ – dinitro-2,2 ‘- stilbene disulfonic acid, such as 4,4’ – dinitro-stilbene disodium-2,2 ‘- disulfonate.

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Application of 4-Nitrotoluene

Reference

  1. 4-Nitrotoluene – PubChem
  2. CN97106992.1 A kind of method for synthesizing p-bromobenzaldehyde
  3. Zhou Hui,Dong Shichang,Li Liwei.Process Improvement of Synthesis of p-Hydroxybenzaldehyde from p-Nitrotoluene[J].China Pharmaceutical,2010,19(06):16-17.

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