3,15-Dioxa-8,9,10-trithia-4,14-disilaheptadecane, 4,4,14,14-tetraethoxy-

CAS 56706-11-7

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 volume451.6K lb

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 451.6K lb
2019: US production 491.6K lb · Imports 55.5K lb

Domestic parents -- activity not disclosed (2)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Dow Chemical

Inchem-Rock Hill

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.

Continental Tire Holding Us

The Goodyear Tire & Rubber

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

Industrial Uses

•Chemical reaction regulator in Rubber Product Manufacturing (100%)Processing—incorporation into article

Chemical Identity

CAS56706-11-7

PubChem CID92507

DTXSIDDTXSID6074627

FormulaC18H42O6S3Si2

Mol. Weight506.9 g/mol

SMILESCCO[Si](CCCSSSCCC[Si](OCC)(OCC)OCC)(OCC)OCC

Data Sources

EPA CompTox (DSSTox) · DTXSID6074627Retrieved 2026-04-06
PubChem · compound 92507Retrieved 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

3,15-Dioxa-8,9,10-trithia-4,14-disilaheptadecane, 4,4,14,14-tetraethoxy- (CAS 56706-11-7) https://chemicalindependence.com/chemical/56706-11-7/ EPA CompTox (DSSTox): DTXSID6074627. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID6074627 PubChem: 92507. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/92507 EPA Chemical Data Reporting: 56706-11-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 56706-11-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting