Trimethoxycaprylylsilane

CAS 3069-40-7

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 Confidential

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.

Dow Chemical

Why It Matters

Sectors

ConstructionPlastics & RubberConsumer ProductsPaints & Coatings

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 5 sectors as 3 functional roles.

•Viscosity adjustors in Plastics Material and Resin Manufacturing (60%)Processing—incorporation into formulation, mixture, or reaction product
•Viscosity adjustors in Paint and Coating Manufacturing (20%)Processing—incorporation into formulation, mixture, or reaction product
•Adhesives and sealant chemicals in Adhesive Manufacturing (10%)Processing—incorporation into formulation, mixture, or reaction product
•Adhesives and sealant chemicals in Soap, Cleaning Compound, and Toilet Preparation Manufacturing (10%)Processing—incorporation into formulation, mixture, or reaction product
•Surface modifier in Construction (100%)Processing as a reactant

Vendor Pricing

$0.07/gAaron Chemicals LLC

CountryHong Kong

Pack$37.00 / 500 g

PurityNot recorded

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	$0.08	500 g	—
BLD Pharmatech GmbH	Germany	$0.10	1 kg	98%
BLD Pharmatech Ltd.	China	$0.10	1 kg	98%
MedChemExpress MCE	Sweden	$0.10	1 kg	—
A2B Chem LLC	United States	$0.13	500 g	98%
Ambeed, Inc.	United States	$0.18	500 g	98%
AK Scientific Specialized	United States	$0.18	1 kg	95%
Fluorochem UK	United Kingdom	$0.19	500 g	95%
AA BLOCKS	United States	$0.20	100 g	98%
AK Scientific, Inc.	United States	$0.24	1 kg	98%
BLD Pharmatech Co., Limited	United States	$0.25	100 g	98%
Combi-Blocks, Inc.	United States	$0.25	1 kg	98%
Angene International Limited	United States	$0.35	500 g	95%
Fluorochem EU	Germany	$0.63	25 g	95%
AstaTech (2 weeks)	United States	$1.48	25 g	95%
Angene	China → Hong Kong	$4266.67	30 mg	—

Chemical Identity

CAS3069-40-7

PubChem CID76485

DTXSIDDTXSID80863094

FormulaC11H26O3Si

Mol. Weight234.41 g/mol

SMILESCCCCCCCC[Si](OC)(OC)OC

Data Sources

EPA CompTox (DSSTox) · DTXSID80863094Retrieved 2026-04-06
PubChem · compound 76485Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04

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Brief citations

Trimethoxycaprylylsilane (CAS 3069-40-7) https://chemicalindependence.com/chemical/3069-40-7/ EPA CompTox (DSSTox): DTXSID80863094. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID80863094 PubChem: 76485. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/76485 EPA Chemical Data Reporting: 3069-40-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 3069-40-7. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting