9,10-Anthracenedione, 1,8-bis(phenylthio)-

CAS 13676-91-0

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

2023: US production Not published · Imports Not published
2019: US production Confidential · Imports Confidential

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.

Dystar

Huntsman

Why It Matters

Sectors

Textiles

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

•Dye in Textiles, apparel, and leather manufacturing (0%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.34/gAaron Chemicals LLC

CountryHong Kong

Pack$172.00 / 500 g

Purity100%

Vendors5 available

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

4 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.37	500 g	100%
Angene	China → Hong Kong	$4266.67	30 mg	100%
A2B Chem LLC (1 week)	United States	$12030.00	100 mg	95%
AA BLOCKS (1 week)	United States	$12750.00	100 mg	95%

Chemical Identity

CAS13676-91-0

PubChem CID83650

DTXSIDDTXSID9065576

FormulaC26H16O2S2

Mol. Weight424.5 g/mol

SMILESC1=CC=C(C=C1)SC2=CC=CC3=C2C(=O)C4=C(C3=O)C=CC=C4SC5=CC=CC=C5

Data Sources

EPA CompTox (DSSTox) · DTXSID9065576Retrieved 2026-04-06
PubChem · compound 83650Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04

← Back to Dashboard ← Back to Textiles

Brief citations

9,10-Anthracenedione, 1,8-bis(phenylthio)- (CAS 13676-91-0) https://chemicalindependence.com/chemical/13676-91-0/ EPA CompTox (DSSTox): DTXSID9065576. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID9065576 PubChem: 83650. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/83650 EPA Chemical Data Reporting: 13676-91-0. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 13676-91-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting