(Z)-9-Octadecenenitrile

CAS 112-91-4

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$281M

Top sourceChina 31%

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 292690 · basket

EPA reports by year

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

These shares come from HS customs code 292690, which covers 191 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 31%ChinaIT 15%ItalyGB 14%United KingdomIN 11%IndiaJP 8%Japan

South Korea
Spain
Ireland
Ukraine
Malaysia
Brazil
Hong Kong
Latvia
Australia

EPA-registered manufacturers (1)

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

Tremco Cpg Manufacturing

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

Used in 2 sectors as 2 functional roles.

•CBI in CBICBI
•Intermediate in All Other Basic Organic Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS112-91-4

PubChem CID6420241

DTXSIDDTXSID3026934

FormulaC18H33N

Mol. Weight263.5 g/mol

SMILESCCCCCCCCC=CCCCCCCCC#N

Data Sources

EPA CompTox (DSSTox) · DTXSID3026934Retrieved 2026-04-06
PubChem · compound 6420241Retrieved 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

(Z)-9-Octadecenenitrile (CAS 112-91-4) https://chemicalindependence.com/chemical/112-91-4/ EPA CompTox (DSSTox): DTXSID3026934. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID3026934 PubChem: 6420241. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/6420241 EPA Chemical Data Reporting: 112-91-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 112-91-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292690 for CAS 112-91-4. Reporting year: 2024. https://usatrade.census.gov/