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Diisobutyl phthalate

CAS 84-69-5

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

Molecular structure of 84-69-5
US productionCBI
Import value, 2024$28M
Top sourceIndia 39%

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 291734 · basket

EPA reports by year
2023
US production Confidential · Imports Confidential
2019
US production 407.3K lb · Imports Zero

These shares come from HS customs code 291734, which covers 34 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IN 39%IndiaCA 27%CanadaKR 8%South KoreaJP 6%JapanDE 6%Germany
EPA-registered manufacturers (1)
The Hallstar
Domestic parents -- activity not disclosed (2)
Aceto Us
Lanxess

Why It Matters

Sectors
ConstructionPlastics & RubberPaints & Coatings
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 3 sectors as 2 functional roles.

  • •Plasticizer in Rubber Product ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • •Plasticizer in Adhesive ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • •Plasticizer in Paint and Coating ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • •Adhesion/cohesion promoter in Adhesive Manufacturing (100%)Processing as a reactant

Chemical Identity

CAS84-69-5
PubChem CID6782
DTXSIDDTXSID9022522
FormulaC16H22O4
Mol. Weight278.34 g/mol
SMILESCC(C)COC(=O)C1=CC=CC=C1C(=O)OCC(C)C

Data Sources

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Brief citations

Diisobutyl phthalate (CAS 84-69-5) https://chemicalindependence.com/chemical/84-69-5/ EPA CompTox (DSSTox): DTXSID9022522. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID9022522 PubChem: 6782. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/6782 EPA Chemical Data Reporting: 84-69-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 84-69-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291734 for CAS 84-69-5. Reporting year: 2024. https://usatrade.census.gov/