1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxy-3-methylphenyl)-
CAS 596-27-0
EPA’s 2023 records show zero U.S. production of this chemical.
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. 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 Zero · 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
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.
17 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 | $0.07 | 100 g | 97% |
| A2B Chem LLC | United States | $0.10 | 500 g | 95% |
| Fluorochem UK | United Kingdom | $0.11 | 100 g | 95% |
| AA BLOCKS | United States | $0.13 | 500 g | 95% |
| Ambeed, Inc. | United States | $0.44 | 25 g | — |
| Combi-Blocks (back-ordered) | United States | $0.80 | 25 g | 95% |
| AK Scientific Specialized | United States | $0.98 | 1 kg | 95% |
| AK Scientific, Inc. | United States | $1.31 | 1 kg | 98% |
| Fluorochem EU | Germany | $1.69 | 5 g | — |
| Angene International Limited | United States | $1.79 | 250 g | 95% |
| AstaTech (2 weeks) | United States | $2.11 | 100 g | 95% |
| Sigma-Aldrich (Rush Stock) | Germany | $4.92 | 10 g | — |
| Sigma-Aldrich | Germany | $4.92 | 10 g | — |
| Labotest KG | Germany | $217.80 | 5000 mg | 90% |
| Key Organics Ltd. | United Kingdom | $2740.00 | 50 mg | 97% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 97% |
| TimTec, LLC | United States | $9333.33 | 30 mg | 90% |
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
1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxy-3-methylphenyl)- (CAS 596-27-0) https://chemicalindependence.com/chemical/596-27-0/ EPA TSCA Inventory: CAS 596-27-0. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 596-27-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293220 for CAS 596-27-0. Reporting year: 2024. https://usatrade.census.gov/