Naphtho[1,2-d]thiazolium, 1-(3-sulfopropyl)-2-[2-[[1-(3-sulfopropyl)naphtho[1,2-d]thiazol-2(1H)-ylidene]methyl]-1-buten-1-yl]-, inner salt, compd. with N,N-diethylethanamine (1:1)

CAS 23216-67-3

EPA and Census publish no US supply data for this chemical.

Molecular structure of 23216-67-3
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 unknown

Where 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

CAS23216-67-3
PubChem CIDNot recorded
DTXSIDDTXSID70909834
FormulaC39H47N3O6S4
Mol. Weight782.06 g/mol
SMILESCCN(CC)CC.CC\C(=C\C1=[N+](CCCS(O)(=O)=O)C2=C(S1)C=CC1=CC=CC=C21)\C=C1/SC2=C(N1CCCS([O-])(=O)=O)C1=CC=CC=C1C=C2

Data Sources

Brief citations

Naphtho[1,2-d]thiazolium, 1-(3-sulfopropyl)-2-[2-[[1-(3-sulfopropyl)naphtho[1,2-d]thiazol-2(1H)-ylidene]methyl]-1-buten-1-yl]-, inner salt, compd. with N,N-diethylethanamine (1:1) (CAS 23216-67-3) https://chemicalindependence.com/chemical/23216-67-3/ EPA TSCA Inventory: CAS 23216-67-3. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory