Benzene, 1,3-dimethyl-2-nitro-

CAS 81-20-9

Molecular structure of 81-20-9
US productionNot reported
Import value, 2024$44M
Top sourcePortugal 61%

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 290420 · basket

These shares come from HS customs code 290420, which covers 43 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
PT 61%PortugalPL 17%PolandIN 10%IndiaKR 7%South KoreaCN 5%China

Why It Matters

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

Vendor Pricing

$0.14/gApollo Scientific UK
CountryUnited Kingdom
Pack$565.00 / 4 kg
Purity99%
Vendors6 available

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

Chemical Identity

CAS81-20-9
PubChem CIDNot recorded
DTXSIDDTXSID7025134
FormulaC8H9NO2
Mol. Weight151.165 g/mol
SMILESCC1=CC=CC(C)=C1[N+]([O-])=O

Data Sources

Brief citations

Benzene, 1,3-dimethyl-2-nitro- (CAS 81-20-9) https://chemicalindependence.com/chemical/81-20-9/ EPA TSCA Inventory: CAS 81-20-9. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 290420 for CAS 81-20-9. Reporting year: 2024. https://usatrade.census.gov/