N-Methyl-2-thiazolidinethione

CAS 1908-87-8

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

US productionZero

Import value, 2024$447M

Import volumeCBI

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

Top sourceChina 31%

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 293410 · basket

EPA reports by year

2023: US production Zero · Imports Confidential
2019: US production Zero · Imports 33.2K lb

These shares come from HS customs code 293410, which covers 83 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 31%ChinaDE 25%GermanyMX 19%MexicoJP 13%JapanIN 5%India

United Kingdom
Italy
Ukraine
Spain
Netherlands
Poland
Belgium
Canada
Croatia
Bulgaria
Taiwan
Sweden
Slovakia
Slovenia

EPA-registered importers (1)

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

Lanxess

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

•Hardener in Rubber Product Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$1.11/gAngene Chemical

CountryChina (registered: Hong Kong)

Pack$553.00 / 500 g

Purity95%

Vendors8 available

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

7 more vendors

Vendor	Country	$/g	Pack	Purity
Combi-Blocks, Inc.	United States	$1.28	500 g	98%
A2B Chem LLC	United States	$1.36	500 g	98%
AA BLOCKS	United States	$1.44	500 g	98%
Angene International Limited	United States	$2.66	250 g	98%
Aaron Chemicals LLC	Hong Kong	$2.68	500 g	95%
AstaTech (2 weeks)	United States	$52.40	25 g	95%
Angene	China → Hong Kong	$4266.67	30 mg	95%

Chemical Identity

CAS1908-87-8

PubChem CID74703

DTXSIDDTXSID0062054

FormulaC4H7NS2

Mol. Weight133.2 g/mol

SMILESCN1CCSC1=S

Data Sources

EPA CompTox (DSSTox) · DTXSID0062054Retrieved 2026-04-06
PubChem · compound 74703Retrieved 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-Methyl-2-thiazolidinethione (CAS 1908-87-8) https://chemicalindependence.com/chemical/1908-87-8/ EPA CompTox (DSSTox): DTXSID0062054. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0062054 PubChem: 74703. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/74703 EPA Chemical Data Reporting: 1908-87-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 1908-87-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293410 for CAS 1908-87-8. Reporting year: 2024. https://usatrade.census.gov/