1,3,4-Thiadiazole, 2,5-bis(octyldithio)-

CAS 13539-13-4

Used in 1 industrial sector tracked by the EPA.

US production652.6K lb

Import volumeZero

Import dependency0%

Top sourceNo public record

Production is reported production, not a complete census of factories. 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 293499 · basket

EPA reports by year

2023: US production 652.6K lb · Imports Zero
2019: US production 869.8K lb · Imports Zero

HS customs code 293499 covers 575 tracked chemicals in total. US Census does not break out this chemical's share, so the country-of-origin mix is not available. EPA CDR reports import dependency at the chemical level separately, shown above.

EPA-registered manufacturers (3)

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

Italmatch Chemicals Spa · IT Italy

Cambrex Charles City

The Detrex

Why It Matters

Sectors

Energy

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

•Lubricating agent in Petroleum Lubricating Oil and Grease Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$298.40/gA2B Chem LLC (1 week)

CountryUnited States

Pack$1492.00 / 5 g

Purity98%

Vendors2 available

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

1 more vendor

Vendor	Country	$/g	Pack	Purity
AA BLOCKS (1 week)	United States	$316.40	5 g	98%

Chemical Identity

CAS13539-13-4

PubChem CID83568

DTXSIDDTXSID0074001

FormulaC18H34N2S5

Mol. Weight438.8 g/mol

SMILESCCCCCCCCSSC1=NN=C(S1)SSCCCCCCCC

Data Sources

EPA CompTox (DSSTox) · DTXSID0074001Retrieved 2026-04-06
PubChem · compound 83568Retrieved 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

1,3,4-Thiadiazole, 2,5-bis(octyldithio)- (CAS 13539-13-4) https://chemicalindependence.com/chemical/13539-13-4/ EPA CompTox (DSSTox): DTXSID0074001. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0074001 PubChem: 83568. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/83568 EPA Chemical Data Reporting: 13539-13-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 13539-13-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting