4-Amino-1-naphthalenesulfonic acid

CAS 84-86-6

1-Naphthalenesulfonic acid, 4-amino-

Molecular structure of 84-86-6
US productionNot reported
Import value, 2024$2M
Top sourceCanada 48%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

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

Where It Comes From

Customs basis: HS 292145 · basket

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

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Vendor Pricing

$4.69/gSigma-Aldrich (Rush Stock)
CountryGermany
Pack$117.24 / 25 g
Purity97%
Vendors16 available

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

Chemical Identity

CAS84-86-6
PubChem CIDNot recorded
DTXSIDDTXSID3058909
FormulaC10H9NO3S
Mol. Weight223.25 g/mol
SMILESNC1=C2C=CC=CC2=C(C=C1)S(O)(=O)=O

Data Sources

Brief citations

4-Amino-1-naphthalenesulfonic acid (CAS 84-86-6) https://chemicalindependence.com/chemical/84-86-6/ EPA TSCA Inventory: CAS 84-86-6. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 292145 for CAS 84-86-6. Reporting year: 2024. https://usatrade.census.gov/