3,4-Dihydro-2H-pyran

U.S. production volumes are classified as confidential business information.

Molecular structure of 110-87-2
US ProductionCBI
Import Value$3.5B
Top SourceIreland 57%

The EPA did not publish how much of this chemical companies made or imported, or marked that amount confidential. Without that volume, ACID cannot calculate import dependency.

Where It Comes From

Customs basis: HS 293299 · basket

These shares come from HS customs code 293299, which covers 27 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
IE 57%IrelandNL 24%NetherlandsCH 8%SwitzerlandCN 5%ChinaIT 2%Italy
EPA-registered manufacturers (1)
Penn A Kem

Why It Matters

Sectors
HealthCore Chemicals
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 2 sectors as 1 functional role.

  • Intermediate in All Other Basic Organic Chemical ManufacturingProcessing as a reactant
  • Intermediate in Pharmaceutical and Medicine ManufacturingProcessing as a reactant

Vendor Pricing

$0.04/gAaron Chemicals LLC
CountryHong Kong
Pack$393.00 / 10 kg
Purity98%
Vendors15 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

14 more vendors
VendorCountry$/gPackPurity
Angene ChemicalChina Hong Kong$0.05500 g98%
A2B Chem LLCUnited States$0.16250 g96%
Fluorochem UKUnited Kingdom$0.19500 g97%
Combi-Blocks, Inc.United States$0.251 kg96%
Angene International LimitedUnited States$0.27250 g98%
AA BLOCKSUnited States$0.281 kg96%
Apollo Scientific UKUnited Kingdom$0.8425 g95%
AstaTech, IncUnited States$1.29100 g95%
InterbioscreenHong Kong$10.0010 g95%
HTS Biochemie InnovationenGermany$170.005 g95%
Labotest KGGermany$217.805000 mg90%
Otava, Ltd.Ukraine$2280.0050 mg95%
Otava, Ltd. (2 weeks)Ukraine$2724.0050 mg95%
AngeneChina Hong Kong$4266.6730 mg98%

Chemical Identity

CAS110-87-2
PubChem CID8080
DTXSIDDTXSID6041426
FormulaC5H8O
Mol. Weight84.12 g/mol
SMILESC1CC=COC1

Data Sources

DTXSID60414262026-04-06

https://doi.org/10.23645/epacomptox.5588566

Archive: data/sources/comptox/dsstox_identifiers.csv

80802026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/8080/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/8080.json

110-87-22026-04-24

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr.csv

CAS 110-87-22026-04-25

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr_industrial.csv