Phenoxazin-5-ium, 3,7-bis(diethylamino)-, chloride (1:1)

CAS 33203-82-6

Molecular structure of 33203-82-6
1 Cl⁻
US productionNot reported
Import value, 2024$24M
Top sourceIndia 35%

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 320413 · basket

These shares come from HS customs code 320413, which covers 64 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IN 35%IndiaMX 27%MexicoDE 16%GermanyTW 3%TaiwanCN 3%China

Why It Matters

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

Chemical Identity

CAS33203-82-6
PubChem CIDNot recorded
DTXSIDDTXSID30873926
FormulaC20H26ClN3O
Mol. Weight359.9 g/mol
SMILES[Cl-].CCN(CC)C1=CC2=[O+]C3=C(C=CC(=C3)N(CC)CC)N=C2C=C1

Data Sources

Brief citations

Phenoxazin-5-ium, 3,7-bis(diethylamino)-, chloride (1:1) (CAS 33203-82-6) https://chemicalindependence.com/chemical/33203-82-6/ EPA TSCA Inventory: CAS 33203-82-6. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 320413 for CAS 33203-82-6. Reporting year: 2024. https://usatrade.census.gov/