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1H-Benz[de]isoquinoline-1,3(2H)-dione, 2-(3-hydroxypropyl)-6-[(3-hydroxypropyl)amino]-

CAS 52821-24-6

Molecular structure of 52821-24-6
US productionNot reported
Import value, 2024$43M
Top sourceJapan 25%

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 292519 · basket

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

Why It Matters

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

Chemical Identity

CAS52821-24-6
PubChem CIDNot recorded
DTXSIDDTXSID5041300
FormulaC18H20N2O4
Mol. Weight328.368 g/mol
SMILESOCCCNC1=CC=C2C(=O)N(CCCO)C(=O)C3=C2C1=CC=C3

Data Sources

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Brief citations

1H-Benz[de]isoquinoline-1,3(2H)-dione, 2-(3-hydroxypropyl)-6-[(3-hydroxypropyl)amino]- (CAS 52821-24-6) https://chemicalindependence.com/chemical/52821-24-6/ EPA TSCA Inventory: CAS 52821-24-6. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 292519 for CAS 52821-24-6. Reporting year: 2024. https://usatrade.census.gov/