3,9-Bis(2,6-di-tert-butyl-4-methylphenoxy)-1,5,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane

CAS 80693-00-1

Companies reported imports and no US production of this chemical to EPA for 2023.

US productionZero

Import volume113.3K lb

Import dependency100%

Top sourceNo public record

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 113.3K lb
2019: US production Zero · Imports 138.7K lb

EPA-registered importers (2)

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

Mitsubishi Corporation (Americas)

Mitsubishi International Polymertrade

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

Vendor Pricing

$3.34/gAaron Chemicals LLC

CountryHong Kong

Pack$334.00 / 100 g

PurityNot recorded

Vendors12 available

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

11 more vendors

Vendor	Country	$/g	Pack	Purity
BLD Pharmatech Ltd.	China	$3.65	100 g	—
Combi-Blocks, Inc.	United States	$3.65	100 g	98%
Angene Chemical	China → Hong Kong	$3.84	100 g	—
A2B Chem LLC	United States	$3.91	100 g	95%
AA BLOCKS	United States	$4.13	100 g	95%
BLD Pharmatech GmbH	Germany	$8.00	5 g	—
Ambeed, Inc.	United States	$15.00	1 g	—
AK Scientific, Inc.	United States	$960.00	1 g	98%
Angene International Limited	United States	$1508.00	1 g	98%
Specs	Netherlands	$2299.00	10 mg	90%
Angene	China → Hong Kong	$4266.67	30 mg	—

Chemical Identity

CAS80693-00-1

PubChem CID3601357

DTXSIDDTXSID9052553

FormulaC35H54O6P2

Mol. Weight632.7 g/mol

SMILESCC1=CC(=C(C(=C1)C(C)(C)C)OP2OCC3(CO2)COP(OC3)OC4=C(C=C(C=C4C(C)(C)C)C)C(C)(C)C)C(C)(C)C

Data Sources

EPA CompTox (DSSTox) · DTXSID9052553Retrieved 2026-04-06
PubChem · compound 3601357Retrieved 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-Bis(2,6-di-tert-butyl-4-methylphenoxy)-1,5,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane (CAS 80693-00-1) https://chemicalindependence.com/chemical/80693-00-1/ EPA CompTox (DSSTox): DTXSID9052553. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID9052553 PubChem: 3601357. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/3601357 EPA Chemical Data Reporting: 80693-00-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 80693-00-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting