1,1,3-Trimethyl-2-thiourea

CAS 2489-77-2

Companies reported imports and no US production of this chemical to EPA for 2019.

US productionZero

Import value, 2024$760M

Import volume25.1K lb

Import dependency100%

Top sourceChina 33%

Production is reported production, not a complete census of factories. Production reporting year: 2019. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

1,1,3-Trimethyl-2-thiourea · US import value by year

2013: $743M · Peak 2022: $984M · 2024: $760M · 2025: $751M

Where It Comes From

Customs basis: HS 293090 · basket

EPA reports by year

2019: US production Zero · Imports 25.1K 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

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

CN 33%ChinaES 14%SpainCH 9%SwitzerlandIT 7%ItalyIN 7%India

Israel
Croatia
Ukraine
Slovakia
United Arab Emirates
Ireland
Poland
Lithuania
Brazil
Singapore
Australia
Armenia
Hong Kong
Vietnam
Czech Republic
Hungary
Greece
Russia

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.

Miki & · JP Japan

Miki Sangyo (Usa)

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

•Intermediate in Rubber Product Manufacturing (100%)Processing—repackaging

Vendor Pricing

$0.61/gAK Scientific Specialized

CountryUnited States

Pack$61.00 / 100 g

Purity95%

Vendors9 available

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

8 more vendors

Vendor	Country	$/g	Pack	Purity
A2B Chem LLC	United States	$0.76	100 g	98%
Aaron Chemicals LLC	Hong Kong	$0.80	100 g	98%
Angene Chemical	China → Hong Kong	$0.82	100 g	98%
AK Scientific, Inc.	United States	$0.82	100 g	98%
AA BLOCKS	United States	$0.97	100 g	98%
Combi-Blocks, Inc.	United States	$1.20	100 g	98%
AstaTech (2 weeks)	United States	$1.30	100 g	95%
Angene	China → Hong Kong	$4266.67	30 mg	98%

Chemical Identity

CAS2489-77-2

PubChem CID2779938

DTXSIDDTXSID6021404

FormulaC4H10N2S

Mol. Weight118.2 g/mol

SMILESCNC(=S)N(C)C

Data Sources

EPA CompTox (DSSTox) · DTXSID6021404Retrieved 2026-04-06
PubChem · compound 2779938Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

1,1,3-Trimethyl-2-thiourea (CAS 2489-77-2) https://chemicalindependence.com/chemical/2489-77-2/ EPA CompTox (DSSTox): DTXSID6021404. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID6021404 PubChem: 2779938. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/2779938 EPA Chemical Data Reporting: 2489-77-2. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 2489-77-2. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293090 for CAS 2489-77-2. Reporting year: 2024. https://usatrade.census.gov/