Diisopropylnaphthalene

CAS 38640-62-9

Companies reported imports and no US production of this chemical to EPA for 2023.

US productionZero

Import value, 2024$68M

Import volume410.4K lb

Import dependency100%

Top sourceIndia 35%

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.

Diisopropylnaphthalene · US import value by year

2013: $114M · Peak 2014: $121M · 2024: $68M · 2025: $64M

Where It Comes From

Customs basis: HS 290290 · basket

EPA reports by year

2023: US production Zero · Imports 410.4K lb
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 290290, which covers 171 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

IN 35%IndiaTW 11%TaiwanES 10%SpainDE 10%GermanyCN 8%China

Czech Republic
Netherlands
Switzerland
Pakistan
United Kingdom
Austria
Denmark
Indonesia
Lithuania
Hong Kong
Finland

EPA-registered importers (1)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Catexel Nease

Why It Matters

Sectors

EnergyPlastics & RubberPaints & Coatings

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Industrial Uses

Used in 3 sectors as 3 functional roles.

•Dispersing agent in Plastics Material and Resin Manufacturing (25%)Processing—incorporation into formulation, mixture, or reaction product
•Processing aids, specific to petroleum production in Oil and Gas Drilling, Extraction, and Support activities (23%)Processing—incorporation into formulation, mixture, or reaction product
•Surfactant (surface active agent) in Paint and Coating Manufacturing (10%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.07/gA2B Chem LLC (2 weeks)

CountryUnited States

Pack$696.00 / 10 kg

Purity98%

Vendors6 available

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

5 more vendors

Vendor	Country	$/g	Pack	Purity
AA BLOCKS (2 weeks)	United States	$0.07	10 kg	98%
Aaron Chemicals LLC	Hong Kong	$0.10	500 g	98%
Angene Chemical	China → Hong Kong	$0.11	500 g	98%
Combi-Blocks, Inc.	United States	$33.60	25 g	98%
Angene	China → Hong Kong	$4266.67	30 mg	98%

Chemical Identity

CAS38640-62-9

PubChem CID117971

DTXSIDDTXSID9041869

FormulaC16H20

Mol. Weight212.33 g/mol

SMILESCC(C)C1=CC=CC2=C1C=CC=C2C(C)C

Data Sources

EPA CompTox (DSSTox) · DTXSID9041869Retrieved 2026-04-06
PubChem · compound 117971Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Diisopropylnaphthalene (CAS 38640-62-9) https://chemicalindependence.com/chemical/38640-62-9/ EPA CompTox (DSSTox): DTXSID9041869. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID9041869 PubChem: 117971. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/117971 EPA Chemical Data Reporting: 38640-62-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 38640-62-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290290 for CAS 38640-62-9. Reporting year: 2024. https://usatrade.census.gov/