Ethanaminium, N-[4-[[4-(diethylamino)phenyl](2,4-disulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl-, inner salt, sodium salt (1:1)
CAS 129-17-9
EPA lists this chemical for 2023 but publishes zero or no volume for both production and imports.
Why supply is unknownProduction is reported production, not a complete census of factories. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.
Where It Comes From
Customs basis: HS 320412 · basket
- 2023
- US production Not published · Imports Not published
These shares come from HS customs code 320412, which covers 106 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Ireland
- United Kingdom
- Spain
- South Korea
- Denmark
- Pakistan
- Hong Kong
- Czech Republic
- Brazil
- Turkey
Why It Matters
No EPA sector or FDA product records name a use for this chemical.
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
11 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 |
|---|---|---|---|---|
| BLD Pharmatech Ltd. | China | $0.54 | 500 g | — |
| A2B Chem LLC | United States | $0.54 | 1 kg | — |
| Angene Chemical | China → Hong Kong | $0.54 | 500 g | — |
| AA BLOCKS | United States | $0.57 | 1 kg | — |
| AK Scientific, Inc. | United States | $0.78 | 250 g | 90% |
| Sigma-Aldrich (Rush Stock) | Germany | $4.84 | 25 g | — |
| Sigma-Aldrich | Germany | $4.84 | 25 g | — |
| MedKoo Biosciences, Inc | United States | $18.00 | 25 g | 98% |
| AK Scientific Specialized | United States | $101.00 | 1 g | 90% |
| Angene International Limited | United States | $191.00 | 1 g | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | — |
Chemical Identity
Data Sources
- EPA TSCA InventoryRetrieved 2026-04-29
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
Ethanaminium, N-[4-[[4-(diethylamino)phenyl](2,4-disulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl-, inner salt, sodium salt (1:1) (CAS 129-17-9) https://chemicalindependence.com/chemical/129-17-9/ EPA TSCA Inventory: CAS 129-17-9. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 129-17-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 320412 for CAS 129-17-9. Reporting year: 2024. https://usatrade.census.gov/