C.I. Disperse Blue 23
CAS 4471-41-4
9,10-Anthracenedione, 1,4-bis[(2-hydroxyethyl)amino]-
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.
Vendor Pricing
$184.00/gA2B Chem LLC (1 week)
CountryUnited States
Pack$184.00 / 1 g
Purity98%
Vendors11 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
10 more vendors
| Vendor | Country Supplier country. Where available, shows shipping origin. When the supplier ships from a different country than where they are registered, both are shown. Most suppliers show registration country only. | $/g | Pack | Purity |
|---|---|---|---|---|
| AA BLOCKS (1 week) | United States | $205.00 | 1 g | 98% |
| Combi-Blocks (back-ordered) | United States | $220.00 | 1 g | 95% |
| Angene Chemical | China → Hong Kong | $224.20 | 5 g | 98% |
| Aaron Chemicals LLC | Hong Kong | $245.00 | 1 g | 98% |
| AstaTech (2 weeks) | United States | $833.00 | 1 g | 95% |
| Princeton BioMolecular Research (SC) | United States | $2900.00 | 100 mg | 90% |
| Vitas M Chemical Limited | Hong Kong | $3170.00 | 100 mg | 90% |
| ChemBridge Corporation | Kazakhstan | $7400.00 | 50 mg | 90% |
| ChemDiv, Inc. | United States | $14000.00 | 8 mg | 90% |
| TimTec, LLC (back-ordered) | United States | $32000.00 | 15 mg | 94% |
Chemical Identity
CAS4471-41-4
PubChem CIDNot recorded
DTXSIDDTXSID1063487
FormulaC18H18N2O4
Mol. Weight326.352 g/mol
SMILESOCCNC1=CC=C(NCCO)C2=C1C(=O)C1=CC=CC=C1C2=O
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
Brief citations
C.I. Disperse Blue 23 (CAS 4471-41-4) https://chemicalindependence.com/chemical/4471-41-4/ EPA TSCA Inventory: CAS 4471-41-4. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory