Dihexyl (2E)-2-butenedioate

CAS 19139-31-2

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

US productionZero

Import value, 2024$139M

Import volume20.8K lb

Import dependency100%

Top sourceChina 67%

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.

Dihexyl (2E)-2-butenedioate · US import value by year

2013: $117M · Peak 2022: $187M · 2024: $139M · 2025: $118M

Where It Comes From

Customs basis: HS 291719 · basket

EPA reports by year

2023: US production Zero · Imports 20.8K lb
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 291719, which covers 176 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 67%ChinaCA 13%CanadaAT 4%AustriaIN 4%IndiaJP 4%Japan

Taiwan
Netherlands
Switzerland
Mexico
South Africa
Denmark
Malaysia
Ukraine
Colombia
Hong Kong
Slovakia

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.

Givaudan Fragrances

Why It Matters

Sectors

Core Chemicals

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

•Fragrance in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$4.51/gAA BLOCKS

CountryUnited States

Pack$451.00 / 100 g

PurityNot recorded

Vendors1 available

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

Chemical Identity

CAS19139-31-2

PubChem CID5271574

DTXSIDDTXSID00893393

FormulaC16H28O4

Mol. Weight284.39 g/mol

SMILESCCCCCCOC(=O)C=CC(=O)OCCCCCC

Data Sources

EPA CompTox (DSSTox) · DTXSID00893393Retrieved 2026-04-06
PubChem · compound 5271574Retrieved 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

Dihexyl (2E)-2-butenedioate (CAS 19139-31-2) https://chemicalindependence.com/chemical/19139-31-2/ EPA CompTox (DSSTox): DTXSID00893393. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID00893393 PubChem: 5271574. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/5271574 EPA Chemical Data Reporting: 19139-31-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 19139-31-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291719 for CAS 19139-31-2. Reporting year: 2024. https://usatrade.census.gov/