Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1389707Generated: October 25, 2026

Naphthalene → 1-Naphthalenesulfonic acid

https://huagongshe.com/reaction/1389707

Reaction equation

Participants

RoleNameHCIDCharge
ReactantNaphthaleneHCID 931—
ReactantSulfuric AcidHCID 1118—
Product1-Naphthalenesulfonic acidHCID 6812133%

Reaction Conditions

Temperature150 °C

Reaction Steps

500 g naphthalene (3.9 m) and 624 g sulfuric acid 98% (6.23 m) were charged to a reactor and mixed. The resulting mixture was then heated rapidly to 150° C. and agitated at 150° C. for 3 hours to obtain 1080 g of naphthalenesulfonic acid having the following properties:

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04245994
Source datasetuspto-grants-1981_01
ORD IDord-204460280e86432991eac7eb55207c59
Source noteuspto-grants-1981_01