N,N-Dicyclohexyl-2-benzothiazolesulfenamide

CAS 4979-32-2

EPA’s 2023 records show zero U.S. production of this chemical.

US productionZero

Import value, 2024$104M

Import volumeCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Top sourceChina 56%

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. 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 293420 · basket

EPA reports by year

2023: US production Zero · Imports Confidential
2019: US production 249.1K lb · Imports 2.6M lb

These shares come from HS customs code 293420, which covers 76 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

CN 56%ChinaBE 33%BelgiumIN 4%IndiaIT 3%ItalyES 2%Spain

Japan
Canada
Ireland
Slovakia
Ukraine
United Kingdom
Taiwan
Germany
Netherlands
South Korea
Switzerland
Greece
Croatia

Domestic parents -- activity not disclosed (2)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Harwick Standard Distribution

Toyo Tire North America Manufacturing

EPA-registered importers (4)

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

Ravago S A · LU Luxembourg

Lanxess

Ravago Holdings America

Sovereign Chemical

Why It Matters

Sectors

Plastics & Rubber

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

•Polymerization promoter in Rubber Product ManufacturingProcessing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.50/gAaron Chemicals LLC

CountryHong Kong

Pack$248.00 / 500 g

Purity95%

Vendors21 available

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

20 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.57	500 g	98%
Fluorochem EU	Germany	$1.22	100 g	95%
A2B Chem LLC	United States	$1.23	100 g	95%
Combi-Blocks, Inc.	United States	$1.36	500 g	95%
AA BLOCKS	United States	$1.37	100 g	95%
BLD Pharmatech Co., Limited	United States	$1.54	500 g	95%
BLD Pharmatech GmbH	Germany	$1.54	500 g	95%
BLD Pharmatech Ltd.	China	$1.54	500 g	95%
Ambeed, Inc.	United States	$1.54	500 g	95%
MedChemExpress MCE	Sweden	$2.95	100 g	99.68%
Fluorochem UK	United Kingdom	$7.15	1 g	95%
AK Scientific Specialized	United States	$9.60	25 g	95%
AstaTech (2 weeks)	United States	$14.96	25 g	95%
Angene International Limited	United States	$16.16	25 g	95%
AK Scientific, Inc.	United States	$37.76	25 g	98%
Princeton BioMolecular Research (SC)	United States	$2900.00	100 mg	90%
Vitas M Chemical Limited	Hong Kong	$3170.00	100 mg	90%
Angene	China → Hong Kong	$4266.67	30 mg	98%
ChemDiv, Inc.	United States	$5480.00	50 mg	90%
ChemBridge Corporation (rush stock)	United States	$13600.00	5 mg	90%

Chemical Identity

CAS4979-32-2

PubChem CID21080

DTXSIDDTXSID3027584

FormulaC19H26N2S2

Mol. Weight346.6 g/mol

SMILESC1CCC(CC1)N(C2CCCCC2)SC3=NC4=CC=CC=C4S3

Data Sources

EPA CompTox (DSSTox) · DTXSID3027584Retrieved 2026-04-06
PubChem · compound 21080Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

N,N-Dicyclohexyl-2-benzothiazolesulfenamide (CAS 4979-32-2) https://chemicalindependence.com/chemical/4979-32-2/ EPA CompTox (DSSTox): DTXSID3027584. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID3027584 PubChem: 21080. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/21080 EPA Chemical Data Reporting: 4979-32-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 4979-32-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293420 for CAS 4979-32-2. Reporting year: 2024. https://usatrade.census.gov/