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Zinc, bis(O,O-dibutyl phosphorodithioato-κS,κS')-, (T-4)-

CAS 6990-43-8

Used in 2 industrial sectors tracked by the EPA.

Molecular structure of 6990-43-8
1 Zn²⁺
US production370.0K lb
Import volumeZero
Import dependency0%
Top sourceNo public record

Production is reported production, not a complete census of factories. Production reporting year: 2023.

Where It Comes From

EPA reports by year
2023
US production 370.0K lb · Imports Zero
2019
US production Confidential · Imports Confidential
EPA-registered manufacturers (2)
Italmatch Chemicals Spa · IT Italy
The El
Domestic parents -- activity not disclosed (2)
Akrochem
Cymer

Why It Matters

Sectors
EnergyPlastics & Rubber
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 2 sectors as 2 functional roles.

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

Chemical Identity

CAS6990-43-8
PubChem CID81470
DTXSIDDTXSID0064541
FormulaC16H36O4P2S4Zn
Mol. Weight548.1 g/mol
SMILESCCCCOP(=S)(OCCCC)[S-].CCCCOP(=S)(OCCCC)[S-].[Zn+2]

Data Sources

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Brief citations

Zinc, bis(O,O-dibutyl phosphorodithioato-κS,κS')-, (T-4)- (CAS 6990-43-8) https://chemicalindependence.com/chemical/6990-43-8/ EPA CompTox (DSSTox): DTXSID0064541. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0064541 PubChem: 81470. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/81470 EPA Chemical Data Reporting: 6990-43-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 6990-43-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting