Sulfuric Acid → 4-Nitrotoluene

HRID 1649948

Reaction equation

HRID 1649948 reaction equation
S(=O)(=O)(O)O.[N+:6]([C:9]1[CH:10]=[C:11]([S:16]([OH:19])(=[O:18])=[O:17])[C:12]([CH3:15])=[CH:13][CH:14]=1)([O-:8])=[O:7]>>[N+:6]([C:9]1[CH:10]=[C:11]([S:16]([OH:19])(=[O:17])=[O:18])[C:12]([CH3:15])=[CH:13][CH:14]=1)([O-:8])=[O:7].[N+:6]([C:9]1[CH:10]=[CH:11][C:12]([CH3:15])=[CH:13][CH:14]=1)([O-:8])=[O:7]

Participants

4

Reactant 2

HCID 1118Sulfuric AcidHCID 84582-Methyl-5-nitrobenzenesulfonic acid2×

Product 2

HCID 74734-NitrotolueneHCID 84582-Methyl-5-nitrobenzenesulfonic acid

Procedure

To isolate the 4-nitrotoluene-2-sulfonic acid, the sulfonation mixture is adjusted to a sulfuric acid concentration of 70% and diluted with mother liquor from a previous crystallization to a 4-nitrotoluene-2-sulfonic acid concentration of 35%. After centrifuging at room temperature, 936 g of 100% 4-nitrotoluene-2-sulfonic acid (98.5% of theory) are obtained from 600.0 g of 4-nitrotoluene.

Workup

  1. customAfter centrifuging at room temperature

Sources & evidence

ORD record
ord-0d9c91b4f66f4effb4b81a9b76203b2e
Source dataset
uspto-grants-1990_05
Patent number
US04922008

Linked notes

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