2-Methyl-5-nitrobenzenesulfonic acid

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

Molecular structure of 121-03-9
US ProductionCBI
Import Value$9M
Top SourceChina 53%

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 290499 · basket

These shares come from HS customs code 290499, which covers 15 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
CN 53%ChinaIN 30%IndiaUA 4%UkraineTW 4%TaiwanIT 4%Italy
EPA-registered importers (3)
Archroma Management Gmbh · CH Switzerland
Archroma U.S
Liberty Specialty Chemicals

Why It Matters

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

Industrial Uses

Used in 1 sector as 1 functional role.

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

Vendor Pricing

$0.14/gAngene Chemical
CountryChina (registered: Hong Kong)
Pack$72.00 / 500 g
Purity82%
Vendors12 available

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

11 more vendors
VendorCountry$/gPackPurity
Aaron Chemicals LLCHong Kong$0.24500 g82%
Combi-Blocks, Inc.United States$0.251 kg98%
A2B Chem LLCUnited States$0.271 kg98%
AA BLOCKSUnited States$0.281 kg98%
Ambeed, Inc.United States$0.58100 g85%
Angene International LimitedUnited States$1.28500 g85%
SynthonixUnited States$2.5225 g95%
Labotest KGGermany$217.805000 mg90%
ChemDiv, Inc.United States$4070.00100 mg90%
AngeneChina Hong Kong$4266.6730 mg82%
TimTec, LLC (back-ordered)United States$32000.0015 mg94%

Chemical Identity

CAS121-03-9
PubChem CID8458
DTXSIDDTXSID4026975
FormulaC7H7NO5S
Mol. Weight217.2 g/mol
SMILESCC1=C(C=C(C=C1)[N+](=O)[O-])S(=O)(=O)O

Data Sources

DTXSID40269752026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

84582026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/8458/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/8458.json

121-03-92026-04-24

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

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

CAS 121-03-92026-04-25

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

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