2,2'-Dibenzoylaminodiphenyl disulfide

CAS 135-57-9

U.S. production volumes are classified as confidential business information.

Molecular structure of 135-57-9
US productionCBI
Import value, 2024$760M
Import volume650.7K lb
Top sourceChina 33%

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 293090 · basket

EPA reports by year
2023
US production Confidential · Imports 650.7K lb
2019
US production 2.8M lb · Imports 78.8K lb

These shares come from HS customs code 293090, which covers 418 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 33%ChinaES 14%SpainCH 9%SwitzerlandIT 7%ItalyIN 7%India
EPA-registered manufacturers (1)
Lanxess
EPA-registered importers (3)
Cie Gen Des Ets Mechelin · FR France
Michelin North America
Swan Chemical

Why It Matters

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

Industrial Uses

Used in 2 sectors as 1 functional role.

  • •Plasticizer in Other (2%)Processing—incorporation into article
  • •Plasticizer in Rubber Product Manufacturing (98%)Processing—incorporation into article

Vendor Pricing

$0.12/gAaron Chemicals LLC
CountryHong Kong
Pack$59.00 / 500 g
Purity98%
Vendors18 available

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

Chemical Identity

CAS135-57-9
PubChem CID67271
DTXSIDDTXSID7041629
FormulaC26H20N2O2S2
Mol. Weight456.6 g/mol
SMILESC1=CC=C(C=C1)C(=O)NC2=CC=CC=C2SSC3=CC=CC=C3NC(=O)C4=CC=CC=C4

Data Sources

Brief citations

2,2'-Dibenzoylaminodiphenyl disulfide (CAS 135-57-9) https://chemicalindependence.com/chemical/135-57-9/ EPA CompTox (DSSTox): DTXSID7041629. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID7041629 PubChem: 67271. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/67271 EPA Chemical Data Reporting: 135-57-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 135-57-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293090 for CAS 135-57-9. Reporting year: 2024. https://usatrade.census.gov/