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HomeProduct name list2-NITROTOLUENE-4-SULFONIC ACID

2-NITROTOLUENE-4-SULFONIC ACID

  • CAS NO.:97-06-3
  • Empirical Formula: C7H7NO5S
  • Molecular Weight: 217.2
  • MDL number: MFCD00035917
  • EINECS: 202-556-1
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 14:07:02
2-NITROTOLUENE-4-SULFONIC ACID Structural

What is 2-NITROTOLUENE-4-SULFONIC ACID?

Physical properties

2-Nitrotoluene-4-sulfonic Acid, crystallizes from water as pale yellow hygroscopic needles of the dihydrate.

The Uses of 2-NITROTOLUENE-4-SULFONIC ACID

The total liquor of 2-Nitrotoluene-4-sulfonic Acid is hydrogenated in situ to give o-toluidine-4-sulfonic acid [618-03-1]. Isolated 2-nitrotoluene-4- sulfonic acid may be converted to 2-nitro-p-toluenesulfonyl chloride [54090-41-4], but the preferred process for [54090-41-4] is chlorosulfonation of 2-nitrotoluene. Reaction of [54090-41-4] with dimethylamine followed by reduction gives 3-amino-4-methyl-N,N-dimethylbenzenesulfonamide [6331-68-6] for use as an azoic diazo component.

Production Methods

2-Nitrotoluene is sulfonated by heating with 25 % oleum at 80 ℃ for 3 h, then quenching and liming to give a neutral solution of the sodium salt of 2-Nitrotoluene-4-sulfonic Acid.

Properties of 2-NITROTOLUENE-4-SULFONIC ACID

Melting point: 92°C
Boiling point: 500°C (rough estimate)
Density  1.6040 (rough estimate)
refractive index  1.6100 (estimate)
pka -1.04±0.50(Predicted)
EPA Substance Registry System Benzenesulfonic acid, 4-methyl-3-nitro- (97-06-3)

Safety information for 2-NITROTOLUENE-4-SULFONIC ACID

Computed Descriptors for 2-NITROTOLUENE-4-SULFONIC ACID

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