N,N'-Dibutylthiourea

CAS 109-46-6

Companies reported imports and no US production of this chemical to EPA for 2023.

Molecular structure of 109-46-6
US productionZero
Import value, 2024$760M
Import volume20.1K lb
Import dependency100%
Top sourceChina 33%

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.

N,N'-Dibutylthiourea · US import value by year
$743M2013$984M2022$760M2024$751M2025

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

Where It Comes From

Customs basis: HS 293090 · basket

EPA reports by year
2023
US production Zero · Imports 20.1K lb
2019
US production Confidential · Imports Confidential

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
CN 33%ChinaES 14%SpainCH 9%SwitzerlandIT 7%ItalyIN 7%India
Domestic parents -- activity not disclosed (1)
Polyventive
EPA-registered importers (1)
Sovereign Chemical

Why It Matters

Sectors
Plastics & Rubber
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

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

Vendor Pricing

$0.12/gAaron Chemicals LLC
CountryHong Kong
Pack$59.00 / 500 g
Purity97%
Vendors22 available

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

Chemical Identity

CAS109-46-6
PubChem CID2723622
DTXSIDDTXSID8042187
FormulaC9H20N2S
Mol. Weight188.34 g/mol
SMILESCCCCNC(=S)NCCCC

Data Sources

Brief citations

N,N'-Dibutylthiourea (CAS 109-46-6) https://chemicalindependence.com/chemical/109-46-6/ EPA CompTox (DSSTox): DTXSID8042187. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID8042187 PubChem: 2723622. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/2723622 EPA Chemical Data Reporting: 109-46-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 109-46-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293090 for CAS 109-46-6. Reporting year: 2024. https://usatrade.census.gov/