3,4-Dihydro-2H-pyran
CAS 110-87-2
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 293299 · basket
- 2023
- US production Confidential · Imports Confidential
- 2019
- US production Confidential · Imports Confidential
These shares come from HS customs code 293299, which covers 229 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- United Kingdom
- Japan
- Germany
- Spain
- Israel
- Canada
- Brazil
- Vietnam
- Ukraine
- New Zealand
- Belgium
- Mexico
- Singapore
- Taiwan
- South Korea
- Sweden
- South Africa
- Egypt
- Indonesia
- Lithuania
- Finland
- Hungary
- Czech Republic
- Hong Kong
- Malaysia
- Slovakia
- Australia
- Russia
- Jordan
- Latvia
- Argentina
- Slovenia
- Malta
- Poland
- Denmark
- Austria
Why It Matters
Industrial Uses
Used in 3 sectors as 2 functional roles.
- •Intermediate in All Other Basic Organic Chemical ManufacturingProcessing as a reactant
- •Solvent in Agriculture, Forestry, Fishing and HuntingProcessing as a reactant
- •Intermediate in Pharmaceutical and Medicine ManufacturingProcessing as a reactant
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
14 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 | $0.05 | 500 g | 98% |
| A2B Chem LLC | United States | $0.16 | 250 g | 96% |
| Fluorochem UK | United Kingdom | $0.19 | 500 g | 97% |
| Combi-Blocks, Inc. | United States | $0.25 | 1 kg | 96% |
| Angene International Limited | United States | $0.27 | 250 g | 98% |
| AA BLOCKS | United States | $0.28 | 1 kg | 96% |
| Apollo Scientific UK | United Kingdom | $0.84 | 25 g | 95% |
| AstaTech, Inc | United States | $1.29 | 100 g | 95% |
| Interbioscreen | Hong Kong | $10.00 | 10 g | 95% |
| HTS Biochemie Innovationen | Germany | $170.00 | 5 g | 95% |
| Labotest KG | Germany | $217.80 | 5000 mg | 90% |
| Otava, Ltd. | Ukraine | $2280.00 | 50 mg | 95% |
| Otava, Ltd. (2 weeks) | Ukraine | $2724.00 | 50 mg | 95% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
Chemical Identity
Data Sources
- EPA CompTox (DSSTox) · DTXSID6041426Retrieved 2026-04-06
- PubChem · compound 8080Retrieved 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
3,4-Dihydro-2H-pyran (CAS 110-87-2) https://chemicalindependence.com/chemical/110-87-2/ EPA CompTox (DSSTox): DTXSID6041426. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID6041426 PubChem: 8080. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/8080 EPA Chemical Data Reporting: 110-87-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 110-87-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293299 for CAS 110-87-2. Reporting year: 2024. https://usatrade.census.gov/