Dimethyl 3,3'-thiodipropionate

CAS 4131-74-2

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.

Top sourceNo public record

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.

Where It Comes From

EPA reports by year

2019: US production Confidential · Imports Confidential

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.

Galata Chemicals

Why It Matters

Sectors

Construction

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

•Heat stabilizer in Adhesive Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.05/gAaron Chemicals LLC

CountryHong Kong

Pack$23.00 / 500 g

Purity98%

Vendors18 available

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

17 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.05	500 g	98%
A2B Chem LLC	United States	$0.07	1 kg	98%
AA BLOCKS	United States	$0.09	1 kg	98%
Chemscene	United States	$0.10	1 kg	—
BLD Pharmatech Ltd.	China	$0.10	1 kg	98%
BLD Pharmatech Co., Limited	United States	$0.12	1 kg	98%
Ambeed, Inc.	United States	$0.12	1 kg	98%
BLD Pharmatech GmbH	Germany	$0.13	500 g	98%
Fluorochem EU	Germany	$0.13	1 kg	98%
AK Scientific Specialized	United States	$0.22	100 g	95%
Combi-Blocks, Inc.	United States	$0.25	1 kg	98%
AK Scientific, Inc.	United States	$0.29	100 g	98%
AstaTech, Inc	United States	$0.50	50 g	95%
Angene International Limited	United States	$0.70	100 g	95%
Otava, Ltd.	Ukraine	$2280.00	50 mg	95%
Otava, Ltd. (2 weeks)	Ukraine	$2724.00	50 mg	95%
Angene	China → Hong Kong	$4266.67	30 mg	98%

Chemical Identity

CAS4131-74-2

PubChem CID77781

DTXSIDDTXSID0027561

FormulaC8H14O4S

Mol. Weight206.26 g/mol

SMILESCOC(=O)CCSCCC(=O)OC

Data Sources

EPA CompTox (DSSTox) · DTXSID0027561Retrieved 2026-04-06
PubChem · compound 77781Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04

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Brief citations

Dimethyl 3,3'-thiodipropionate (CAS 4131-74-2) https://chemicalindependence.com/chemical/4131-74-2/ EPA CompTox (DSSTox): DTXSID0027561. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0027561 PubChem: 77781. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/77781 EPA Chemical Data Reporting: 4131-74-2. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 4131-74-2. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting