Octadecane

CAS 593-45-3

Used in 3 industrial sectors tracked by the EPA.

Molecular structure of 593-45-3
US production95.6K lb
Import value, 2024$917M
Import volume296.8K lb
Import dependency76%
Top sourceCanada 95%

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.

Where It Comes From

Customs basis: HS 290110 · basket

EPA reports by year
2023
US production 95.6K lb · Imports 296.8K lb
2019
US production Confidential · Imports Confidential

These shares come from HS customs code 290110, which covers 58 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CA 95%CanadaDE 2%GermanyBR 1%BrazilKR 1%South Korea
EPA-registered manufacturers (1)
Dixie Chemical
Domestic parents -- activity not disclosed (1)
Aceto Us
EPA-registered importers (2)
Astro Chemicals
Sasol Chemicals (Usa)

Why It Matters

Sectors
Metals & MiningConsumer ProductsCore Chemicals
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 3 sectors as 2 functional roles.

  • •Heat stabilizer in All Other Chemical Product and Preparation Manufacturing (1%)Processing as a reactant
  • •Heat stabilizer in Miscellaneous Manufacturing (2%)Processing—incorporation into formulation, mixture, or reaction product
  • •Intermediate in Miscellaneous Manufacturing (100%)Processing as a reactant
  • •Intermediate in All Other Basic Organic Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.06/gAaron Chemicals LLC
CountryHong Kong
Pack$63.00 / 1 kg
Purity98%
Vendors19 available

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

Chemical Identity

CAS593-45-3
PubChem CID11635
DTXSIDDTXSID9047172
FormulaC18H38
Mol. Weight254.5 g/mol
SMILESCCCCCCCCCCCCCCCCCC

Data Sources

Brief citations

Octadecane (CAS 593-45-3) https://chemicalindependence.com/chemical/593-45-3/ EPA CompTox (DSSTox): DTXSID9047172. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID9047172 PubChem: 11635. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/11635 EPA Chemical Data Reporting: 593-45-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 593-45-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290110 for CAS 593-45-3. Reporting year: 2024. https://usatrade.census.gov/