Di-n-octyl phthalate

CAS 117-84-0

EPA’s 2023 records show zero U.S. production of this chemical.

Molecular structure of 117-84-0
US productionZero
Import value, 2024$11M
Import volumeCBI
Top sourceSouth Korea 41%

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. 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 291732 · narrow

EPA reports by year
2023
US production Zero · Imports Confidential
2019
US production Confidential · Imports Confidential

These shares come from HS customs code 291732, which covers 4 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
KR 41%South KoreaMX 24%MexicoCO 23%ColombiaCL 4%ChilePT 3%Portugal
Domestic parents -- activity not disclosed (1)
Icc Industries
EPA-registered importers (1)
H.B. Fuller

Why It Matters

Sectors
Construction
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

  • •Adhesion/cohesion promoter in Adhesive Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$1.28/gCombi-Blocks, Inc.
CountryUnited States
Pack$640.00 / 500 g
Purity98%
Vendors11 available

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

Chemical Identity

CAS117-84-0
PubChem CID8346
DTXSIDDTXSID1021956
FormulaC24H38O4
Mol. Weight390.6 g/mol
SMILESCCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC

Data Sources

Brief citations

Di-n-octyl phthalate (CAS 117-84-0) https://chemicalindependence.com/chemical/117-84-0/ EPA CompTox (DSSTox): DTXSID1021956. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID1021956 PubChem: 8346. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/8346 EPA Chemical Data Reporting: 117-84-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 117-84-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291732 for CAS 117-84-0. Reporting year: 2024. https://usatrade.census.gov/