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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1934865Generated: October 25, 2026

Sulfuric Acid → p-Toluenesulfonic acid

https://huagongshe.com/reaction/1934865

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSulfuric AcidHCID 1118—
Reactant2-Methylbenzenesulfonic acidHCID 6925—
Reactantm-Toluenesulfonic acidHCID 105362—
SolventTolueneHCID 1140—
Productp-Toluenesulfonic acidHCID 610126%

Reaction Steps

Sulfuric acid (1.0 g, 10.2 mmol) was added to toluene (50.0 g) under the same conditions as Example 1. The analysis by HPLC showed 26% yield p-toluenesulfonic acid, 11% o-toluenesulfonic acid, and 1.3% m-toluenesulfonic acid (ratio p/o=2.4) for a total yield of 38.3%.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06384271B1
Source datasetuspto-grants-2002_05
ORD IDord-35fbc137b15c470ca8724fd8ce2edd18
Source noteuspto-grants-2002_05