5-Amino-2-methylbenzenesulfonic acid

CAS 118-88-7

EPA’s 2019 records show zero U.S. production of this chemical.

US productionZero

Import value, 2024$59M

Top sourceGermany 55%

EPA lists this chemical for 2019 but publishes zero or no volume for both production and imports.

Production is reported production, not a complete census of factories. Production reporting year: 2019. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 292143 · basket

EPA reports by year

2019: US production Zero · Imports Zero

These shares come from HS customs code 292143, which covers 45 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 55%GermanyIT 30%ItalyIN 11%IndiaJP 2%JapanCN 1%China

South Korea
United Kingdom
Taiwan

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Sumitomo Corp Of Americas

Why It Matters

Sectors

Textiles

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

•Pigment in Synthetic Dye and Pigment Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$2.01/gAaron Chemicals LLC

CountryHong Kong

Pack$201.00 / 100 g

Purity98%

Vendors8 available

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

7 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$2.13	100 g	98%
AstaTech (2 weeks)	United States	$4.52	25 g	95%
AK Scientific, Inc.	United States	$4.79	100 g	95%
A2B Chem LLC	United States	$5.92	25 g	95%
AA BLOCKS	United States	$6.12	25 g	95%
Angene International Limited	United States	$9.84	25 g	95%
Angene	China → Hong Kong	$4266.67	30 mg	98%

Chemical Identity

CAS118-88-7

PubChem CID67054

DTXSIDDTXSID0044523

FormulaC7H9NO3S

Mol. Weight187.22 g/mol

SMILESCC1=C(C=C(C=C1)N)S(=O)(=O)O

Data Sources

EPA CompTox (DSSTox) · DTXSID0044523Retrieved 2026-04-06
PubChem · compound 67054Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

5-Amino-2-methylbenzenesulfonic acid (CAS 118-88-7) https://chemicalindependence.com/chemical/118-88-7/ EPA CompTox (DSSTox): DTXSID0044523. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0044523 PubChem: 67054. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/67054 EPA Chemical Data Reporting: 118-88-7. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 118-88-7. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292143 for CAS 118-88-7. Reporting year: 2024. https://usatrade.census.gov/