2-Methylbenzenesulfonic acid

CAS 88-20-0

Used in 2 industrial sectors tracked by the EPA.

US production1.2M lb

Import volumeZero

Import dependency0%

Top sourceNo public record

Production is reported production, not a complete census of factories. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 290410 · basket

EPA reports by year

2023: US production 1.2M lb · Imports Zero
2019: US production 4.1M lb · Imports Zero

HS customs code 290410 covers 115 tracked chemicals in total. US Census does not break out this chemical's share, so the country-of-origin mix is not available. EPA CDR reports import dependency at the chemical level separately, shown above.

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.

Catexel Nease

Why It Matters

Sectors

Plastics & RubberConsumer Products

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

Used in 2 sectors as 2 functional roles.

•Surfactant (surface active agent) in Soap, Cleaning Compound, and Toilet Preparation Manufacturing (30%)Processing—incorporation into formulation, mixture, or reaction product
•Catalyst in Plastics Material and Resin Manufacturing (70%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$72.00/gAmbeed, Inc.

CountryUnited States

Pack$360.00 / 5 g

Purity98%

Vendors13 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

12 more vendors

Vendor	Country	$/g	Pack	Purity
Combi-Blocks, Inc.	United States	$72.00	5 g	70%
Aaron Chemicals LLC	Hong Kong	$75.40	25 g	97%
A2B Chem LLC	United States	$77.20	5 g	70%
AA BLOCKS	United States	$81.40	5 g	98%
MedChemExpress MCE	Sweden	$85.43	5 g	—
Angene Chemical	China → Hong Kong	$86.24	25 g	97%
AK Scientific Specialized	United States	$122.60	5 g	95%
Fluorochem EU	Germany	$139.15	1 g	97%
AK Scientific, Inc.	United States	$163.60	5 g	75%
AstaTech, Inc	United States	$199.00	1 g	95%
Angene International Limited	United States	$258.00	5 g	75%
Angene	China → Hong Kong	$4266.67	30 mg	97%

Chemical Identity

CAS88-20-0

PubChem CID6925

DTXSIDDTXSID1045035

FormulaC7H8O3S

Mol. Weight172.2 g/mol

SMILESCC1=CC=CC=C1S(=O)(=O)O

Data Sources

EPA CompTox (DSSTox) · DTXSID1045035Retrieved 2026-04-06
PubChem · compound 6925Retrieved 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

2-Methylbenzenesulfonic acid (CAS 88-20-0) https://chemicalindependence.com/chemical/88-20-0/ EPA CompTox (DSSTox): DTXSID1045035. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID1045035 PubChem: 6925. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/6925 EPA Chemical Data Reporting: 88-20-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 88-20-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting