Bis(2-butoxyethyl) adipate

CAS 141-18-4

U.S. production volumes are classified as confidential business information.

US productionCBI

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

Import value, 2024$49M

Top sourceCanada 36%

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. US production volume is confidential. 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 291712 · basket

EPA reports by year

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

These shares come from HS customs code 291712, which covers 34 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).

CA 36%CanadaBR 27%BrazilKR 10%South KoreaIN 6%IndiaNL 5%Netherlands

United Kingdom
Thailand
Turkey
Switzerland

EPA-registered manufacturers (2)

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

Custom Synthesis

The Hallstar

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.

Dystar

Why It Matters

Sectors

Plastics & RubberTextiles

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

Used in 3 sectors as 2 functional roles.

•Plasticizer in Plastics Material and Resin Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Plasticizer in Synthetic Rubber ManufacturingProcessing—incorporation into article
•Intermediate in Textiles, apparel, and leather manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.54/gAaron Chemicals LLC

CountryHong Kong

Pack$54.00 / 100 g

Purity97%

Vendors10 available

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

9 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.59	100 g	97%
Combi-Blocks, Inc.	United States	$0.72	500 g	97%
A2B Chem LLC	United States	$0.75	100 g	97%
AA BLOCKS	United States	$0.81	500 g	97%
AstaTech, Inc	United States	$1.19	100 g	95%
AK Scientific Specialized	United States	$1.20	100 g	95%
AK Scientific, Inc.	United States	$1.65	100 g	98%
Angene International Limited	United States	$2.54	100 g	98%
Angene	China → Hong Kong	$4266.67	30 mg	97%

Chemical Identity

CAS141-18-4

PubChem CID8837

DTXSIDDTXSID2051712

FormulaC18H34O6

Mol. Weight346.5 g/mol

SMILESCCCCOCCOC(=O)CCCCC(=O)OCCOCCCC

Data Sources

EPA CompTox (DSSTox) · DTXSID2051712Retrieved 2026-04-06
PubChem · compound 8837Retrieved 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

Bis(2-butoxyethyl) adipate (CAS 141-18-4) https://chemicalindependence.com/chemical/141-18-4/ EPA CompTox (DSSTox): DTXSID2051712. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID2051712 PubChem: 8837. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/8837 EPA Chemical Data Reporting: 141-18-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 141-18-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291712 for CAS 141-18-4. Reporting year: 2024. https://usatrade.census.gov/