9-Octadecenoic acid (9Z)-, 1-methylethyl ester

CAS 112-11-8

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 sourceIndia 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 291615 · basket

EPA reports by year

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

These shares come from HS customs code 291615, which covers 71 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).

IN 25%IndiaIT 19%ItalyID 15%IndonesiaDE 8%GermanyCN 8%China

Canada
Belgium
Sweden
Netherlands
Israel
Spain

EPA-registered importers (3)

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

Kuala Lumpur Kepong Berhad · MY Malaysia

Klk Oleo Americas

Oleon Americas

Why It Matters

Sectors

Energy

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

•Lubricating agent in Petroleum Lubricating Oil and Grease Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS112-11-8

PubChem CID5356108

DTXSIDDTXSID801377882

FormulaC21H40O2

Mol. Weight324.5 g/mol

SMILESCCCCCCCCC=CCCCCCCCC(=O)OC(C)C

Data Sources

EPA CompTox (DSSTox) · DTXSID801377882Retrieved 2026-04-06
PubChem · compound 5356108Retrieved 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

9-Octadecenoic acid (9Z)-, 1-methylethyl ester (CAS 112-11-8) https://chemicalindependence.com/chemical/112-11-8/ EPA CompTox (DSSTox): DTXSID801377882. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID801377882 PubChem: 5356108. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/5356108 EPA Chemical Data Reporting: 112-11-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 112-11-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291615 for CAS 112-11-8. Reporting year: 2024. https://usatrade.census.gov/