Butyl octyl phthalate

CAS 84-78-6

1,2-Benzenedicarboxylic acid, 1-butyl 2-octyl ester

Molecular structure of 84-78-6
US productionNot reported
Import value, 2024$28M
Top sourceIndia 39%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Production is reported production, not a complete census of factories. 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

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

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Vendor Pricing

$84.00/gCombi-Blocks (back-ordered)
CountryUnited States
Pack$420.00 / 5 g
Purity95%
Vendors11 available

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

Chemical Identity

CAS84-78-6
PubChem CIDNot recorded
DTXSIDDTXSID2052578
FormulaC20H30O4
Mol. Weight334.456 g/mol
SMILESCCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC

Data Sources

Brief citations

Butyl octyl phthalate (CAS 84-78-6) https://chemicalindependence.com/chemical/84-78-6/ EPA TSCA Inventory: CAS 84-78-6. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 291734 for CAS 84-78-6. Reporting year: 2024. https://usatrade.census.gov/