4-Nitrosophenol

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

Molecular structure of 104-91-6
US ProductionCBI
Import Value$11M
Top SourceIndia 78%

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 290899 · basket

These shares come from HS customs code 290899, which covers 16 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
IN 78%IndiaCN 19%ChinaJP 1%JapanAE 1%United Arab Emirates

Why It Matters

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

Industrial Uses

Used in 1 sector as 1 functional role.

  • Intermediate in All Other Chemical Product and Preparation Manufacturing (100%)Processing as a reactant

Vendor Pricing

$3.24/gA2B Chem LLC
CountryUnited States
Pack$81.00 / 25 g
Purity98%
Vendors4 available

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

3 more vendors
VendorCountry$/gPackPurity
AA BLOCKSUnited States$3.4425 g98%
Combi-Blocks, Inc.United States$7.2025 g98%
Otava, Ltd.Ukraine$2280.0050 mg95%

Chemical Identity

CAS104-91-6
PubChem CID7729
DTXSIDDTXSID0025991
FormulaC6H5NO2
Mol. Weight123.11 g/mol
SMILESC1=CC(=CC=C1N=O)O

Data Sources

DTXSID00259912026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

77292026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/7729/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/7729.json

104-91-62026-04-24

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

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

CAS 104-91-62026-04-25

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

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