4-Amino-5-methoxy-2-methylbenzenesulfonic acid

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

Molecular structure of 6471-78-9
US ProductionCBI
Import Value$64M
Top SourceChina 52%

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 292229 · basket

These shares come from HS customs code 292229, which covers 16 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
CN 52%ChinaJP 25%JapanIN 18%IndiaIT 3%ItalyKR 1%South Korea
EPA-registered importers (1)
Sensient Technologies

Why It Matters

Sectors
FoodTextilesCore Chemicals
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 3 sectors as 2 functional roles.

  • Intermediate in Synthetic Dye and Pigment Manufacturing (100%)Processing as a reactant
  • Intermediate in All Other Basic Organic Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • Dye in Food, beverage, and tobacco product manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.13/gA2B Chem LLC
CountryUnited States
Pack$63.00 / 500 g
Purity97%
Vendors14 available

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

13 more vendors
VendorCountry$/gPackPurity
AA BLOCKSUnited States$0.14500 g97%
Aaron Chemicals LLCHong Kong$0.17500 g97%
BLD Pharmatech Co., LimitedUnited States$0.18500 g97%
BLD Pharmatech GmbHGermany$0.18500 g97%
BLD Pharmatech Ltd.China$0.18500 g97%
Ambeed, Inc.United States$0.18500 g97%
Angene ChemicalChina Hong Kong$0.18500 g97%
AK Scientific SpecializedUnited States$0.22500 g95%
Combi-Blocks, Inc.United States$0.251 kg97%
AK Scientific, Inc.United States$0.29500 g98%
Angene International LimitedUnited States$0.41500 g95%
AstaTech, IncUnited States$17.6425 g94%
AngeneChina Hong Kong$4266.6730 mg97%

Chemical Identity

CAS6471-78-9
PubChem CID80961
DTXSIDDTXSID2027628
FormulaC8H11NO4S
Mol. Weight217.24 g/mol
SMILESCC1=CC(=C(C=C1S(=O)(=O)O)OC)N

Data Sources

DTXSID20276282026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

809612026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/80961/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/80961.json

6471-78-92026-04-24

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

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

CAS 6471-78-92026-04-25

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

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