2,2'-isopropylidenebis(tetrahydrofuran)

CAS 89686-69-1

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

US productionCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Import value, 2024$64M

Top sourceChina 37%

At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production 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 293219 · basket

EPA reports by year

2023: US production Confidential · Imports Confidential
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 293219, which covers 136 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

CN 37%ChinaIT 23%ItalyJP 20%JapanIN 12%IndiaES 2%Spain

Belgium
Germany
Netherlands
Canada
Mexico
Slovakia
Malaysia
Portugal
Taiwan
Sweden
Latvia
Israel

EPA-registered manufacturers (1)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Penn A Kem

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Lion Copolymer Holdings

Why It Matters

Sectors

Plastics & Rubber

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Industrial Uses

Used in 1 sector as 2 functional roles.

•Polymerization promoter in Synthetic Rubber ManufacturingProcessing as a reactant
•Catalyst in Synthetic Rubber ManufacturingProcessing as a reactant

Vendor Pricing

$0.88/gMedChemExpress MCE

CountrySweden

Pack$438.02 / 500 g

PurityNot recorded

Vendors10 available

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

9 more vendors

Vendor	Country	$/g	Pack	Purity
Aaron Chemicals LLC	Hong Kong	$1.15	100 g	98%
Combi-Blocks, Inc.	United States	$2.40	100 g	96%
A2B Chem LLC	United States	$2.59	100 g	96%
AA BLOCKS	United States	$2.74	100 g	95%
Angene Chemical	China → Hong Kong	$3.20	5 g	98%
AK Scientific Specialized	United States	$3.40	5 g	95%
AK Scientific, Inc.	United States	$4.60	5 g	96%
Angene International Limited	United States	$12.40	5 g	95%
Angene	China → Hong Kong	$4266.67	30 mg	98%

Chemical Identity

CAS89686-69-1

PubChem CID551484

DTXSIDDTXSID10869029

FormulaC11H20O2

Mol. Weight184.27 g/mol

SMILESCC(C)(C1CCCO1)C2CCCO2

Data Sources

EPA CompTox (DSSTox) · DTXSID10869029Retrieved 2026-04-06
PubChem · compound 551484Retrieved 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

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Brief citations

2,2'-isopropylidenebis(tetrahydrofuran) (CAS 89686-69-1) https://chemicalindependence.com/chemical/89686-69-1/ EPA CompTox (DSSTox): DTXSID10869029. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID10869029 PubChem: 551484. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/551484 EPA Chemical Data Reporting: 89686-69-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 89686-69-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293219 for CAS 89686-69-1. Reporting year: 2024. https://usatrade.census.gov/