3,3-Bis(4-hydroxy-5-isopropyl-o-tolyl)phthalide
CAS 125-20-2
U.S. production volumes are classified as confidential business information.
At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.
Why supply is unknownProduction is reported production, not a complete census of factories. US production volume is confidential. 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 293220 · basket
- 2023
- US production Confidential · Imports Zero
- 2019
- US production Confidential · Imports Confidential
These shares come from HS customs code 293220, which covers 151 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Mexico
- Austria
- Indonesia
- Czech Republic
- Slovakia
- Malaysia
- Israel
- Poland
- Vietnam
- Ukraine
- South Africa
- Singapore
- Russia
- Lithuania
- Hungary
- Belarus
- Brazil
- Australia
Why It Matters
Industrial Uses
- •Dye in Petroleum RefineriesProcessing—incorporation into formulation, mixture, or reaction product
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
23 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 |
|---|---|---|---|---|
| Angene Chemical | China → Hong Kong | $0.14 | 500 g | — |
| BLD Pharmatech Ltd. | China | $0.17 | 1 kg | 96% |
| BLD Pharmatech GmbH | Germany | $0.20 | 500 g | 96% |
| BLD Pharmatech Co., Limited | United States | $0.22 | 500 g | 96% |
| Ambeed, Inc. | United States | $0.22 | 500 g | 96% |
| A2B Chem LLC | United States | $0.30 | 500 g | 96% |
| Combi-Blocks, Inc. | United States | $0.30 | 500 g | 96% |
| AA BLOCKS | United States | $0.35 | 500 g | 96% |
| Fluorochem UK | United Kingdom | $0.46 | 25 g | 95% |
| AK Scientific Specialized | United States | $0.51 | 100 g | 95% |
| AstaTech, Inc | United States | $0.58 | 100 g | 95% |
| AK Scientific, Inc. | United States | $0.68 | 100 g | 98% |
| Angene International Limited | United States | $1.14 | 100 g | 95% |
| Sigma-Aldrich (Rush Stock) | Germany | $4.13 | 50 g | — |
| Sigma-Aldrich | Germany | $4.13 | 50 g | — |
| Interbioscreen | Hong Kong | $41.00 | 10 g | 95% |
| Labotest KG | Germany | $217.80 | 5000 mg | 90% |
| Vitas M Chemical Limited | Hong Kong | $310.00 | 1 g | 90% |
| MedChemExpress MCE | Sweden | $314.60 | 100 mg | 99.85% |
| Princeton BioMolecular Research (SC) | United States | $2900.00 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | — |
| ChemDiv, Inc. | United States | $5480.00 | 50 mg | 90% |
| TimTec, LLC | United States | $14666.67 | 30 mg | 90% |
Chemical Identity
Data Sources
- EPA CompTox (DSSTox) · DTXSID2051633Retrieved 2026-04-06
- PubChem · compound 31316Retrieved 2026-04-06
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
3,3-Bis(4-hydroxy-5-isopropyl-o-tolyl)phthalide (CAS 125-20-2) https://chemicalindependence.com/chemical/125-20-2/ EPA CompTox (DSSTox): DTXSID2051633. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID2051633 PubChem: 31316. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/31316 EPA Chemical Data Reporting: 125-20-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 125-20-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293220 for CAS 125-20-2. Reporting year: 2024. https://usatrade.census.gov/