HC Blue No. 15
CAS 74578-10-2
Benzenamine, 4-[(2,6-dichlorophenyl)(4-imino-3,5-dimethyl-2,5-cyclohexadien-1-ylidene)methyl]-2,6-dimethyl-, phosphate (1:1)
EPA and Census publish no US supply data for this chemical.
US productionNot reported
Top sourceNo public record
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 unknownWhere It Comes From
EPA and Census publish no US supply data for this chemical.
Why It Matters
No EPA sector or FDA product records name a use for this chemical.
Chemical Identity
CAS74578-10-2
PubChem CIDNot recorded
DTXSIDDTXSID3072793
FormulaC23H25Cl2N2O4P
Mol. Weight495.34 g/mol
SMILESOP(O)(O)=O.CC1=CC(=CC(C)=C1N)C(=C1C=C(C)C(=N)C(C)=C1)C1=C(Cl)C=CC=C1Cl
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
Brief citations
HC Blue No. 15 (CAS 74578-10-2) https://chemicalindependence.com/chemical/74578-10-2/ EPA TSCA Inventory: CAS 74578-10-2. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory