2-Amino-1-naphthalenesulfonic acid

U.S. production volumes are classified as confidential business information.

Molecular structure of 81-16-3
US ProductionCBI
Import Value$2M
Top SourceCanada 48%

The EPA did not publish how much of this chemical companies made or imported, or marked that amount confidential. Without that volume, ACID cannot calculate import dependency.

Where It Comes From

Customs basis: HS 292145 · basket

These shares come from HS customs code 292145, which covers 2 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
CA 48%CanadaIN 35%IndiaCN 10%ChinaCH 7%SwitzerlandJP 1%Japan
EPA-registered importers (2)
Sumitomo · JP Japan
Sumitomo Corp Of Americas

Why It Matters

Sectors
Textiles
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 1 sector as 2 functional roles.

  • Intermediate in Synthetic Dye and Pigment Manufacturing (0%)Processing as a reactant
  • Pigment in Synthetic Dye and Pigment Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.02/gAaron Chemicals LLC
CountryHong Kong
Pack$8.00 / 500 g
Purity98%
Vendors20 available

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

19 more vendors
VendorCountry$/gPackPurity
Angene ChemicalChina Hong Kong$0.02500 g98%
A2B Chem LLCUnited States$0.03500 g98%
AA BLOCKSUnited States$0.03500 g98%
BLD Pharmatech Ltd.China$0.041 kg98%
BLD Pharmatech GmbHGermany$0.06500 g98%
Fluorochem EUGermany$0.07500 g98%
ALFA AESARGermany$0.102.5 kg98%
BLD Pharmatech Co., LimitedUnited States$0.111 kg98%
Ambeed, Inc.United States$0.111 kg98%
AK Scientific SpecializedUnited States$0.19500 g95%
Combi-Blocks, Inc.United States$0.251 kg98%
Angene International LimitedUnited States$0.36500 g95%
AK Scientific, Inc.United States$0.67100 g98%
AstaTech (2 weeks)United States$3.6825 g95%
Labotest KGGermany$217.805000 mg90%
Vitas M Chemical LimitedHong Kong$272.001 g90%
Princeton BioMolecular Research (SC)United States$2900.00100 mg90%
AngeneChina Hong Kong$4266.6730 mg98%
ChemBridge CorporationKazakhstan$18000.005 mg90%

Chemical Identity

CAS81-16-3
PubChem CID6670
DTXSIDDTXSID7020922
FormulaC10H9NO3S
Mol. Weight223.25 g/mol
SMILESC1=CC=C2C(=C1)C=CC(=C2S(=O)(=O)O)N

Data Sources

DTXSID70209222026-04-06

https://doi.org/10.23645/epacomptox.5588566

Archive: data/sources/comptox/dsstox_identifiers.csv

66702026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/6670/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/6670.json

81-16-32026-04-24

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr.csv

CAS 81-16-32026-04-25

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr_industrial.csv