Tris(2,4-di-tert-butylphenyl) phosphate

CAS 95906-11-9

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 volumeZero

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. US production volume is confidential. Production reporting year: 2023.

Where It Comes From

EPA reports by year

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

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.

Lyondell Chemical

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

$108.00/gAaron Chemicals LLC

CountryHong Kong

Pack$540.00 / 5 g

Purity98%

Vendors17 available

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

16 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$108.80	5 g	98%
Combi-Blocks, Inc.	United States	$330.00	5 g	98%
A2B Chem LLC	United States	$336.00	500 mg	99.73%
AA BLOCKS	United States	$368.40	5 g	95%
TargetMol Chemicals	China → United States	$436.00	500 mg	99.99%
Angene International Limited	United States	$509.00	1 g	99%
AstaTech, Inc	United States	$539.00	1 g	95%
BLD Pharmatech Co., Limited	United States	$550.00	1 g	95%
BLD Pharmatech GmbH	Germany	$550.00	1 g	95%
BLD Pharmatech Ltd.	China	$550.00	1 g	95%
Ambeed, Inc.	United States	$550.00	1 g	95%
Molnova	China	$800.00	100 mg	99%
TargetMol Chemicals EU	Austria	$890.00	100 mg	99.99%
MedChemExpress MCE	Sweden	$975.26	500 mg	99.81%
MedKoo Biosciences, Inc	United States	$1225.00	2 g	98%
Cayman Europe	Estonia	$3041.64	500 mg	95%

Chemical Identity

CAS95906-11-9

PubChem CID14572930

DTXSIDDTXSID20893779

FormulaC42H63O4P

Mol. Weight662.9 g/mol

SMILESCC(C)(C)C1=CC(=C(C=C1)OP(=O)(OC2=C(C=C(C=C2)C(C)(C)C)C(C)(C)C)OC3=C(C=C(C=C3)C(C)(C)C)C(C)(C)C)C(C)(C)C

Data Sources

EPA CompTox (DSSTox) · DTXSID20893779Retrieved 2026-04-06
PubChem · compound 14572930Retrieved 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

Tris(2,4-di-tert-butylphenyl) phosphate (CAS 95906-11-9) https://chemicalindependence.com/chemical/95906-11-9/ EPA CompTox (DSSTox): DTXSID20893779. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID20893779 PubChem: 14572930. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/14572930 EPA Chemical Data Reporting: 95906-11-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 95906-11-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting