1,3,5-Tris[3-(trimethoxysilyl)propyl]-1,3,5-triazinane-2,4,6-trione

CAS 26115-70-8

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$309M

Top sourceChina 40%

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. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 293369 · basket

EPA reports by year

2023: US production Confidential · Imports Confidential
2019: US production 187.8K lb · Imports 1.4K lb

These shares come from HS customs code 293369, which covers 192 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 40%ChinaJP 19%JapanIN 15%IndiaES 11%SpainDE 5%Germany

Canada
Austria
United Kingdom
Netherlands
United Arab Emirates
Malaysia
Indonesia
Turkey
Belgium
Ukraine
Hungary
Latvia
Russia
Hong Kong

EPA-registered manufacturers (2)

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

Kcc · KR South Korea

Mom Holding

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.

Kcc · KR South Korea

Why It Matters

Sectors

ElectronicsConstruction

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 3 sectors as 2 functional roles.

•Adhesion/cohesion promoter in Adhesive Manufacturing (100%)Processing—incorporation into article
•Sealant (barrier) in Construction (45%)Processing—incorporation into article
•Adhesion/cohesion promoter in Electrical Equipment, Appliance, and Component Manufacturing (55%)Processing—incorporation into article

Vendor Pricing

$0.15/gAaron Chemicals LLC

CountryHong Kong

Pack$74.00 / 500 g

Purity98%

Vendors15 available

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

14 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.16	500 g	97%
Fluorochem EU	Germany	$0.39	100 g	95%
Fluorochem UK	United Kingdom	$0.40	100 g	95%
Chemscene	United States	$0.53	100 g	—
A2B Chem LLC	United States	$0.53	100 g	98%
Combi-Blocks, Inc.	United States	$0.53	100 g	95%
Ambeed, Inc.	United States	$0.66	100 g	98%
AA BLOCKS	United States	$0.68	25 g	98%
MedChemExpress MCE	Sweden	$1.00	100 g	98%
AK Scientific, Inc.	United States	$3.60	25 g	95%
Angene International Limited	United States	$6.96	25 g	95%
AstaTech (2 weeks)	United States	$30.00	1 g	95%
Labotest KG	Germany	$217.80	5000 mg	90%
Angene	China → Hong Kong	$4266.67	30 mg	97%

Chemical Identity

CAS26115-70-8

PubChem CID117734

DTXSIDDTXSID2044896

FormulaC21H45N3O12Si3

Mol. Weight615.8 g/mol

SMILESCO[Si](CCCN1C(=O)N(C(=O)N(C1=O)CCC[Si](OC)(OC)OC)CCC[Si](OC)(OC)OC)(OC)OC

Data Sources

EPA CompTox (DSSTox) · DTXSID2044896Retrieved 2026-04-06
PubChem · compound 117734Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

1,3,5-Tris[3-(trimethoxysilyl)propyl]-1,3,5-triazinane-2,4,6-trione (CAS 26115-70-8) https://chemicalindependence.com/chemical/26115-70-8/ EPA CompTox (DSSTox): DTXSID2044896. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID2044896 PubChem: 117734. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/117734 EPA Chemical Data Reporting: 26115-70-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 26115-70-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293369 for CAS 26115-70-8. Reporting year: 2024. https://usatrade.census.gov/