1-[3-(Triethoxysilyl)propyl]urea

CAS 23779-32-0

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$537M

Top sourceChina 39%

At least one company claimed its 2019 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: 2019. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 293190 · basket

EPA reports by year

2019: US production Confidential · Imports Confidential

These shares come from HS customs code 293190, which covers 378 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 39%ChinaDE 17%GermanyIT 9%ItalyIN 7%IndiaJP 7%Japan

Ireland
Netherlands
Switzerland
Monaco
Ukraine
Spain
Mexico
Poland
Indonesia
Armenia
Israel
Sweden
Australia
Czech Republic
Hungary
Brunei
Hong Kong
Brazil
Thailand
Argentina
Finland
Austria
Latvia

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.

Evonik

Why It Matters

Sectors

ConstructionPaints & 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 2 sectors as 2 functional roles.

•Corrosion inhibitors and anti-scaling agents in Paint and Coating Manufacturing (40%)Processing as a reactant
•Adhesives and sealant chemicals in Adhesive Manufacturing (60%)Processing as a reactant

Vendor Pricing

$0.09/gAaron Chemicals LLC

CountryHong Kong

Pack$43.00 / 500 g

PurityNot recorded

Vendors6 available

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

5 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.10	500 g	—
A2B Chem LLC (2 weeks)	United States	$0.12	500 g	40%
AA BLOCKS (2 weeks)	United States	$0.13	500 g	40%
Fluorochem UK	United Kingdom	$0.51	25 g	48%
Angene	China → Hong Kong	$4266.67	30 mg	—

Chemical Identity

CAS23779-32-0

PubChem CID90258

DTXSIDDTXSID5044493

FormulaC10H24N2O4Si

Mol. Weight264.39 g/mol

SMILESCCO[Si](CCCNC(=O)N)(OCC)OCC

Data Sources

EPA CompTox (DSSTox) · DTXSID5044493Retrieved 2026-04-06
PubChem · compound 90258Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

← Back to Dashboard ← Back to Construction

Brief citations

1-[3-(Triethoxysilyl)propyl]urea (CAS 23779-32-0) https://chemicalindependence.com/chemical/23779-32-0/ EPA CompTox (DSSTox): DTXSID5044493. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID5044493 PubChem: 90258. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/90258 EPA Chemical Data Reporting: 23779-32-0. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 23779-32-0. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293190 for CAS 23779-32-0. Reporting year: 2024. https://usatrade.census.gov/