Tetramethylthiuram monosulfide

CAS 97-74-5

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

US productionZero

Import value, 2024$8M

Import volumeCBI

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

Top sourceChina 49%

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 293030 · narrow

EPA reports by year

2023: US production Zero · Imports Confidential
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 293030, which covers 3 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 49%ChinaIN 19%IndiaIT 19%ItalyBE 9%BelgiumJP 4%Japan

Vietnam
Canada

Domestic parents -- activity not disclosed (1)

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

Sumitomo Corporation Of Americas

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

Akrochem

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

$0.04/gAaron Chemicals LLC

CountryHong Kong

Pack$18.00 / 500 g

Purity97%

Vendors17 available

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

16 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.04	500 g	97%
A2B Chem LLC	United States	$0.09	500 g	98%
AA BLOCKS	United States	$0.11	500 g	98%
Ambeed, Inc.	United States	$0.13	500 g	98%
AK Scientific Specialized	United States	$0.18	500 g	95%
AK Scientific, Inc.	United States	$0.25	500 g	98%
Combi-Blocks, Inc.	United States	$0.25	1 kg	98%
Angene International Limited	United States	$0.34	500 g	95%
MedChemExpress MCE	Sweden	$0.68	500 g	99.71%
ALFA AESAR	Germany	$0.87	100 g	97%
Sigma-Aldrich (Rush Stock)	Germany	$1.05	100 g	97%
Sigma-Aldrich	Germany	$1.05	100 g	97%
AstaTech (2 weeks)	United States	$3.08	25 g	95%
Labotest KG	Germany	$217.80	5000 mg	90%
Molnova	China	$428.00	500 mg	99%
Angene	China → Hong Kong	$4266.67	30 mg	97%

Chemical Identity

CAS97-74-5

PubChem CID7347

DTXSIDDTXSID0021333

FormulaC6H12N2S3

Mol. Weight208.4 g/mol

SMILESCN(C)C(=S)SC(=S)N(C)C

Data Sources

EPA CompTox (DSSTox) · DTXSID0021333Retrieved 2026-04-06
PubChem · compound 7347Retrieved 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

Tetramethylthiuram monosulfide (CAS 97-74-5) https://chemicalindependence.com/chemical/97-74-5/ EPA CompTox (DSSTox): DTXSID0021333. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0021333 PubChem: 7347. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/7347 EPA Chemical Data Reporting: 97-74-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 97-74-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293030 for CAS 97-74-5. Reporting year: 2024. https://usatrade.census.gov/