3,9-Dicyclohex-3-enyl-2,4,8,10-tetraoxaspiro[5.5]undecane

CAS 6600-31-3

EPA’s 2023 records show zero U.S. production of this chemical.

US productionZero

Import volumeCBI

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

Top sourceNo public record

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. Production reporting year: 2023.

Where It Comes From

EPA reports by year

2023: US production Zero · Imports Confidential
2019: US production Zero · Imports 26.5K lb

EPA-registered importers (1)

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

Lanxess

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

•Antioxidant in Rubber Product Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.18/gAaron Chemicals LLC

CountryHong Kong

Pack$91.00 / 500 g

Purity95%

Vendors13 available

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

12 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.20	500 g	97%
A2B Chem LLC	United States	$0.50	100 g	97%
Combi-Blocks, Inc.	United States	$0.50	100 g	97%
AA BLOCKS	United States	$0.63	100 g	97%
AK Scientific, Inc.	United States	$0.68	100 g	98%
AstaTech (2 weeks)	United States	$9.60	5 g	95%
Vitas M Chemical Limited	Hong Kong	$4020.00	50 mg	90%
Princeton BioMolecular Research (SC)	United States	$4200.00	50 mg	90%
Angene	China → Hong Kong	$4266.67	30 mg	95%
ChemDiv, Inc.	United States	$11300.00	10 mg	90%
ChemBridge Corporation	Kazakhstan	$18000.00	5 mg	90%
TimTec, LLC	United States	$90000.00	2 mg	90%

Chemical Identity

CAS6600-31-3

PubChem CID98143

DTXSIDDTXSID9052343

FormulaC19H28O4

Mol. Weight320.4 g/mol

SMILESC1CC(CC=C1)C2OCC3(CO2)COC(OC3)C4CCC=CC4

Data Sources

EPA CompTox (DSSTox) · DTXSID9052343Retrieved 2026-04-06
PubChem · compound 98143Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04

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Brief citations

3,9-Dicyclohex-3-enyl-2,4,8,10-tetraoxaspiro[5.5]undecane (CAS 6600-31-3) https://chemicalindependence.com/chemical/6600-31-3/ EPA CompTox (DSSTox): DTXSID9052343. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID9052343 PubChem: 98143. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/98143 EPA Chemical Data Reporting: 6600-31-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 6600-31-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting