1H-Naphth[2,3-f]isoindole-1,3,5,10(2H)-tetrone, 4,11-diamino-2-[3-(2-methoxyethoxy)propyl]-

CAS 65059-45-2

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

US productionCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Import value, 2024$43M

Top sourceJapan 25%

At least one company claimed its 2019 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production is reported production, not a complete census of factories. US production volume is confidential. Production reporting year: 2019. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 292519 · basket

EPA reports by year

2019: US production Confidential · Imports Confidential

These shares come from HS customs code 292519, which covers 43 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

JP 25%JapanCN 21%ChinaGB 21%United KingdomAT 14%AustriaDE 7%Germany

Australia
Belgium
Israel
Switzerland
Hungary
Ukraine
Slovakia
Singapore

EPA-registered importers (1)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Huntsman

Why It Matters

Sectors

Textiles

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Industrial Uses

•Dye in Textiles, apparel, and leather manufacturing (100%)Processing—incorporation into article

Chemical Identity

CAS65059-45-2

PubChem CID103086

DTXSIDDTXSID4070162

FormulaC22H21N3O6

Mol. Weight423.4 g/mol

SMILESCOCCOCCCN1C(=O)C2=C(C3=C(C(=C2C1=O)N)C(=O)C4=CC=CC=C4C3=O)N

Data Sources

EPA CompTox (DSSTox) · DTXSID4070162Retrieved 2026-04-06
PubChem · compound 103086Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

1H-Naphth[2,3-f]isoindole-1,3,5,10(2H)-tetrone, 4,11-diamino-2-[3-(2-methoxyethoxy)propyl]- (CAS 65059-45-2) https://chemicalindependence.com/chemical/65059-45-2/ EPA CompTox (DSSTox): DTXSID4070162. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4070162 PubChem: 103086. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/103086 EPA Chemical Data Reporting: 65059-45-2. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 65059-45-2. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292519 for CAS 65059-45-2. Reporting year: 2024. https://usatrade.census.gov/