Bis(butoxyethoxyethoxy)methane

CAS 143-29-3

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$10M

Top sourceSwitzerland 25%

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 291100 · basket

EPA reports by year

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

These shares come from HS customs code 291100, which covers 99 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).

CH 25%SwitzerlandES 16%SpainIN 13%IndiaCN 13%ChinaDE 9%Germany

Netherlands
Ukraine
Italy
United Kingdom

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.

Basf Se · DE Germany

Basf

Why It Matters

Sectors

TransportationPlastics & RubberPaints & Coatings

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 4 sectors as 2 functional roles.

•Plasticizer in Paint and Coating ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
•Solvent in Paint and Coating ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
•Solvent in Transportation Equipment ManufacturingProcessing—incorporation into article
•Plasticizer in Synthetic Rubber ManufacturingProcessing—incorporation into article
•Plasticizer in Plastics Product ManufacturingProcessing—incorporation into article

Vendor Pricing

$8.20/gAaron Chemicals LLC

CountryHong Kong

Pack$82.00 / 10 g

Purity95%

Vendors5 available

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

4 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$8.50	10 g	95%
AA BLOCKS (2 weeks)	United States	$12.70	10 g	95%
A2B Chem LLC (2 weeks)	United States	$12.80	10 g	95%
Angene	China → Hong Kong	$4266.67	30 mg	95%

Chemical Identity

CAS143-29-3

PubChem CID8928

DTXSIDDTXSID3027112

FormulaC17H36O6

Mol. Weight336.5 g/mol

SMILESCCCCOCCOCCOCOCCOCCOCCCC

Data Sources

EPA CompTox (DSSTox) · DTXSID3027112Retrieved 2026-04-06
PubChem · compound 8928Retrieved 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(butoxyethoxyethoxy)methane (CAS 143-29-3) https://chemicalindependence.com/chemical/143-29-3/ EPA CompTox (DSSTox): DTXSID3027112. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID3027112 PubChem: 8928. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/8928 EPA Chemical Data Reporting: 143-29-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 143-29-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291100 for CAS 143-29-3. Reporting year: 2024. https://usatrade.census.gov/