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Hexadecylnaphthalene

CAS 56388-47-7

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

Molecular structure of 56388-47-7
US productionCBI
Top sourceNo public record

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.

Where It Comes From

EPA reports by year
2023
US production Confidential · Imports Confidential
2019
US production Confidential · Imports Confidential
Domestic parents -- activity not disclosed (1)
King Industries

Why It Matters

Sectors
EnergyCore Chemicals
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 2 sectors as 1 functional role.

  • •Lubricating agent in Petroleum Lubricating Oil and Grease ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • •Lubricating agent in All Other Basic Organic Chemical ManufacturingProcessing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS56388-47-7
PubChem CID91831
DTXSIDDTXSID5069099
FormulaC26H40
Mol. Weight352.6 g/mol
SMILESCCCCCCCCCCCCCCCCC1=CC=CC2=CC=CC=C21

Data Sources

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Brief citations

Hexadecylnaphthalene (CAS 56388-47-7) https://chemicalindependence.com/chemical/56388-47-7/ EPA CompTox (DSSTox): DTXSID5069099. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID5069099 PubChem: 91831. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/91831 EPA Chemical Data Reporting: 56388-47-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 56388-47-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting