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10H-Phenothiazine, 3,7-diisooctyl-

CAS 28452-78-0

Molecular structure of 28452-78-0
US productionNot reported
Import value, 2024$13M
Top sourceGermany 54%

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 293430 · basket

These shares come from HS customs code 293430, which covers 19 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
DE 54%GermanyIT 24%ItalyIN 8%IndiaCN 5%ChinaZA 4%South Africa

Why It Matters

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

Chemical Identity

CAS28452-78-0
PubChem CIDNot recorded
DTXSIDDTXSID1067386
FormulaC28H41NS
Mol. Weight423.7 g/mol
SMILESCC(C)CCCCCC1=CC2=C(NC3=CC=C(CCCCCC(C)C)C=C3S2)C=C1

Data Sources

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Brief citations

10H-Phenothiazine, 3,7-diisooctyl- (CAS 28452-78-0) https://chemicalindependence.com/chemical/28452-78-0/ EPA TSCA Inventory: CAS 28452-78-0. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 293430 for CAS 28452-78-0. Reporting year: 2024. https://usatrade.census.gov/