Ninhydrin
CAS 485-47-2
1H-Indene-1,3(2H)-dione, 2,2-dihydroxy-
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 unknownProduction is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.
Where It Comes From
Customs basis: HS 291439 · basket
These shares come from HS customs code 291439, which covers 86 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Slovakia
- Japan
- Netherlands
- Hong Kong
- Ukraine
- Latvia
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.
31 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 | United States | $0.30 | 1 kg | 99% |
| Combi-Blocks, Inc. | United States | $0.34 | 1 kg | 97% |
| Chemscene | United States | $0.39 | 1 kg | — |
| BLD Pharmatech Co., Limited | United States | $0.39 | 1 kg | 98% |
| BLD Pharmatech GmbH | Germany | $0.39 | 1 kg | 98% |
| BLD Pharmatech Ltd. | China | $0.39 | 1 kg | 98% |
| Ambeed, Inc. | United States | $0.39 | 1 kg | 98% |
| Aaron Chemicals LLC | Hong Kong | $0.39 | 1 kg | 98% |
| Angene Chemical | China → Hong Kong | $0.42 | 1 kg | 98% |
| AK Scientific Specialized | United States | $0.52 | 1 kg | 97% |
| Fluorochem EU | Germany | $0.54 | 100 g | 95% |
| Fluorochem UK | United Kingdom | $0.56 | 100 g | 95% |
| Angene International Limited | United States | $0.57 | 100 g | 99% |
| AK Scientific, Inc. | United States | $0.73 | 1 kg | 99% |
| Apollo Scientific US | United Kingdom | $0.75 | 500 g | 98% |
| MedChemExpress MCE | Sweden | $0.87 | 100 g | 99.99% |
| Sigma-Aldrich (Rush Stock) | Germany | $1.18 | 500 g | — |
| Sigma-Aldrich | Germany | $1.18 | 500 g | — |
| AstaTech, Inc | United States | $1.37 | 100 g | 95% |
| Interbioscreen | Hong Kong | $24.00 | 10 g | 95% |
| Molnova | China | $26.00 | 1 g | 99% |
| TargetMol Chemicals | China → United States | $29.00 | 1 g | 99.99% |
| Labotest KG | Germany | $217.80 | 5000 mg | 90% |
| Vitas M Chemical Limited | Hong Kong | $360.00 | 1 g | 90% |
| Specs | Netherlands | $931.70 | 100 mg | 90% |
| Otava, Ltd. | Ukraine | $2280.00 | 50 mg | 95% |
| Otava, Ltd. (2 weeks) | Ukraine | $2724.00 | 50 mg | 95% |
| Princeton BioMolecular Research (SC) | United States | $2900.00 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
| Asinex | Netherlands | $6461.40 | 100 mg | 90% |
| TimTec, LLC | United States | $9333.33 | 30 mg | 99% |
Chemical Identity
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
Ninhydrin (CAS 485-47-2) https://chemicalindependence.com/chemical/485-47-2/ EPA TSCA Inventory: CAS 485-47-2. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 291439 for CAS 485-47-2. Reporting year: 2024. https://usatrade.census.gov/