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HomeProduct name list2,4-DINITROCHLOROBENZENE-6-SULFONIC ACID

2,4-DINITROCHLOROBENZENE-6-SULFONIC ACID

  • CAS NO.:4515-26-8
  • Empirical Formula: C6H3ClN2O7S
  • Molecular Weight: 282.62
  • MDL number: MFCD00035750
  • EINECS: 224-839-9
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-10-21 10:50:13
2,4-DINITROCHLOROBENZENE-6-SULFONIC ACID Structural

What is 2,4-DINITROCHLOROBENZENE-6-SULFONIC ACID?

Physical properties

crystallizes from water as needles.

The Uses of 2,4-DINITROCHLOROBENZENE-6-SULFONIC ACID

Hydrolysis of 2-Chloro-3,5-dinitrobenzenesulfonic Acid with aqueous alkali readily yields 2,4-dinitrophenol-6-sulfonic acid, which is reduced with sodium sulfide to 4-nitro- 2-aminophenol-6-sulfonic acid [96-67-3], a diazo component of metallizable azo dyes. Under very mild conditions, 2-Chloro-3,5-dinitrobenzenesulfonic Acid is aminated to 2,4-dinitroaniline-6-sulfonic acid, and 2-Chloro-3,5-dinitrobenzenesulfonic Acid reacts with sodium sulfite to give 3,5-dinitrobenzene- 1,2-disulfonic acid.

Production Methods

4-Chloronitrobenzene is sulfonated by gradual addition of 25 % oleum at 60 ℃; the temperature is raised slowly to 125 ℃, and held there for 8 h. The sulfonation mixture is cooled to 70 ℃, nitric acid is added over 5 h, and the reaction is completed by heating for 12 h at 70 ℃ followed by 4 h at 100 ℃. After cooling and quenching, the sodium salt of the product is salted out by addition of sodium sulfate and isolated in 80 % yield.

Safety information for 2,4-DINITROCHLOROBENZENE-6-SULFONIC ACID

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