Phosphonium, methyltriphenyl-, 3-[[4-[4-(1,1-dimethylpropyl)phenoxy]-2,7-dihydro-2,7-dioxo-6-(phenylamino)-3H-naphtho[1,2,3-de]quinolin-1-yl]carbonyl]benzenesulfonate (1:1)
CAS 1478435-12-9
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
CAS1478435-12-9
PubChem CIDNot recorded
DTXSIDDTXSID401358886
FormulaC59H49N2O7PS
Mol. Weight961.08 g/mol
SMILESC[P+](C1=CC=CC=C1)(C1=CC=CC=C1)C1=CC=CC=C1.CCC(C)(C)C1=CC=C(OC2=C3NC(=O)C(C(=O)C4=CC(=CC=C4)S([O-])(=O)=O)=C4C5=C(C=CC=C5)C(=O)C(C(NC5=CC=CC=C5)=C2)=C34)C=C1
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
Brief citations
Phosphonium, methyltriphenyl-, 3-[[4-[4-(1,1-dimethylpropyl)phenoxy]-2,7-dihydro-2,7-dioxo-6-(phenylamino)-3H-naphtho[1,2,3-de]quinolin-1-yl]carbonyl]benzenesulfonate (1:1) (CAS 1478435-12-9) https://chemicalindependence.com/chemical/1478435-12-9/ EPA TSCA Inventory: CAS 1478435-12-9. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory