Sodium 4-methylbenzenesulfonate

CAS 657-84-1

U.S. production volumes are classified as confidential business information.

US productionCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Import volume73.1K lb

Top sourceNo public record

At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production is reported production, not a complete census of factories. US production volume is confidential. Production reporting year: 2023.

Where It Comes From

EPA reports by year

2023: US production Confidential · Imports 73.1K lb
2019: US production Confidential · Imports Zero

EPA-registered manufacturers (1)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Hexion

EPA-registered importers (1)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Mapei

Why It Matters

Sectors

Construction

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Industrial Uses

•Adhesion/cohesion promoter in Wood Product Manufacturing (100%)Processing—incorporation into article

Chemical Identity

CAS657-84-1

PubChem CID24195884

DTXSIDDTXSID9042415

FormulaC7H8NaO3S

Mol. Weight195.19 g/mol

SMILESCC1=CC=C(C=C1)S(=O)(=O)O.[Na]

Data Sources

EPA CompTox (DSSTox) · DTXSID9042415Retrieved 2026-04-06
PubChem · compound 24195884Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04

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Brief citations

Sodium 4-methylbenzenesulfonate (CAS 657-84-1) https://chemicalindependence.com/chemical/657-84-1/ EPA CompTox (DSSTox): DTXSID9042415. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID9042415 PubChem: 24195884. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/24195884 EPA Chemical Data Reporting: 657-84-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 657-84-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting