Benzenesulfonic acid

CAS 98-11-3

Used in 2 industrial sectors tracked by the EPA.

US production232.9K lb

Import value, 2024$40M

Import volume480 lb

Import dependency0%

Top sourceGermany 22%

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 232.9K lb · Imports 480 lb
2019: US production 824.3K lb · Imports Zero

These shares come from HS customs code 290410, which covers 115 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

DE 22%GermanyIT 20%ItalyCN 14%ChinaBE 11%BelgiumIN 11%India

Spain
Netherlands
Czech Republic
Brazil
Taiwan
Hong Kong

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.

Dynachem

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.

Hubbard-Hall

Why It Matters

Sectors

Metals & MiningCore Chemicals

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 3 sectors as 2 functional roles.

•Surfactant (surface active agent) in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Catalyst in Primary Metal Manufacturing (90%)Processing as a reactant
•Catalyst in Other (10%)Processing as a reactant

Vendor Pricing

$0.05/gSigma-Aldrich (Rush Stock)

CountryGermany

Pack$50.25 / 1 kg

Purity90%

Vendors16 available

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

15 more vendors

Vendor	Country	$/g	Pack	Purity
Sigma-Aldrich	Germany	$0.05	1 kg	90%
ALFA AESAR	Germany	$0.08	2.5 kg	94%
Angene Chemical	China → Hong Kong	$0.11	400 g	—
Aaron Chemicals LLC	Hong Kong	$0.11	400 g	—
Combi-Blocks, Inc.	United States	$0.25	1 kg	97%
AA BLOCKS	United States	$0.28	1 kg	98%
Fluorochem UK	United Kingdom	$0.40	25 g	95%
A2B Chem LLC	United States	$0.59	500 g	98%
Angene International Limited	United States	$3.20	25 g	90%
AK Scientific, Inc.	United States	$6.48	25 g	98%
AstaTech, Inc	United States	$10.90	10 g	95%
Otava, Ltd.	Ukraine	$2280.00	50 mg	95%
Otava, Ltd. (2 weeks)	Ukraine	$2724.00	50 mg	95%
Key Organics Ltd.	United Kingdom	$2740.00	50 mg	95%
Angene	China → Hong Kong	$4266.67	30 mg	—

Chemical Identity

CAS98-11-3

PubChem CID7371

DTXSIDDTXSID9024568

FormulaC6H6O3S

Mol. Weight158.18 g/mol

SMILESC1=CC=C(C=C1)S(=O)(=O)O

Data Sources

EPA CompTox (DSSTox) · DTXSID9024568Retrieved 2026-04-06
PubChem · compound 7371Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Benzenesulfonic acid (CAS 98-11-3) https://chemicalindependence.com/chemical/98-11-3/ EPA CompTox (DSSTox): DTXSID9024568. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID9024568 PubChem: 7371. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/7371 EPA Chemical Data Reporting: 98-11-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 98-11-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290410 for CAS 98-11-3. Reporting year: 2024. https://usatrade.census.gov/