6-Aminonaphthalene-2-sulfonic acid

CAS 93-00-5

2-Naphthalenesulfonic acid, 6-amino-

Companies reported imports and no US production of this chemical to EPA for 2023.

US productionZero

Import value, 2024$2M

Import volume23.0K lb

Import dependency100%

Top sourceCanada 48%

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.

6-Aminonaphthalene-2-sulfonic acid · US import value by year

2013: $9M · Peak 2021: $18M · 2024: $2M · 2025: $2M

Where It Comes From

Customs basis: HS 292145 · basket

EPA reports by year

2023: US production Zero · Imports 23.0K lb

These shares come from HS customs code 292145, which covers 23 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).

CA 48%CanadaIN 35%IndiaCN 10%ChinaCH 7%SwitzerlandJP 1%Japan

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.

Aceto Us

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

•Intermediate in Synthetic Dye and Pigment Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.15/gAaron Chemicals LLC

CountryHong Kong

Pack$73.00 / 500 g

Purity98%

Vendors16 available

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

15 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.17	500 g	98%
A2B Chem LLC	United States	$0.19	500 g	98%
AA BLOCKS	United States	$0.24	500 g	98%
Combi-Blocks, Inc.	United States	$0.25	1 kg	96%
BLD Pharmatech Ltd.	China	$0.28	1 kg	98%
BLD Pharmatech GmbH	Germany	$0.28	500 g	98%
BLD Pharmatech Co., Limited	United States	$0.35	100 g	98%
Ambeed, Inc.	United States	$0.35	100 g	98%
AK Scientific Specialized	United States	$0.51	100 g	95%
Fluorochem UK	United Kingdom	$0.69	25 g	95%
AK Scientific, Inc.	United States	$0.71	100 g	98%
Angene International Limited	United States	$1.45	100 g	98%
AstaTech (2 weeks)	United States	$1.79	100 g	95%
Key Organics Ltd.	United Kingdom	$2740.00	50 mg	98%
Angene	China → Hong Kong	$4266.67	30 mg	98%

Chemical Identity

CAS93-00-5

PubChem CIDNot recorded

DTXSIDDTXSID4044743

FormulaC10H9NO3S

Mol. Weight223.25 g/mol

SMILESNC1=CC2=C(C=C1)C=C(C=C2)S(O)(=O)=O

Data Sources

EPA TSCA InventoryRetrieved 2026-04-29
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

6-Aminonaphthalene-2-sulfonic acid (CAS 93-00-5) https://chemicalindependence.com/chemical/93-00-5/ EPA TSCA Inventory: CAS 93-00-5. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 93-00-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 93-00-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292145 for CAS 93-00-5. Reporting year: 2024. https://usatrade.census.gov/