Diisobutyl ketone

CAS 108-83-8

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

US productionCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Import value, 2024$39M

Top sourceChina 33%

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 291419 · basket

EPA reports by year

2023: US production Confidential · Imports Confidential
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 291419, which covers 131 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).

CN 33%ChinaDE 29%GermanyIN 26%IndiaGB 3%United KingdomJP 2%Japan

Netherlands
Italy
Brazil
South Africa
Turkey
Moldova
Canada
Armenia
Slovakia
Finland
Hong Kong
Mexico
Ukraine

Domestic parents -- activity not disclosed (3)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Blue Tree Holdings

Eastman Chemical

Soyventis North America

EPA-registered importers (4)

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

Mercedes-Benz Group Ag · DE Germany

Patcham Fzc · AE United Arab Emirates

Mercedes-Benz Vans

Patcham Usa

Why It Matters

Sectors

ElectronicsTransportationConstructionMetals & MiningPlastics & RubberConsumer ProductsPaints & CoatingsPaper & PrintingCore Chemicals

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 13 sectors as 3 functional roles.

•Solvent in All Other Basic Organic Chemical ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
•Diluent in Wholesale and Retail Trade (100%)Processing as a reactant
•Solvent in Not Known or Reasonably Ascertainable (100%)Processing—incorporation into article
•Solvent in Paint and Coating Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Solvent in Furniture and Related Product ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
•Solvent in Transportation Equipment ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
•Solvent in Miscellaneous ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
•Solvent in Electrical Equipment, Appliance, and Component ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
•Solvent in ConstructionProcessing—incorporation into formulation, mixture, or reaction product
•Solvent in Printing Ink ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
•Solvent in Adhesive ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
•Solvent in Plastics Product ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
•Waterproofing agent in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.30/gA2B Chem LLC

CountryUnited States

Pack$150.00 / 500 g

Purity90%

Vendors8 available

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

7 more vendors

Vendor	Country	$/g	Pack	Purity
Combi-Blocks, Inc.	United States	$0.30	500 g	90%
AA BLOCKS	United States	$0.35	500 g	90%
AK Scientific, Inc.	United States	$0.70	100 g	90%
Fluorochem UK	United Kingdom	$1.37	25 g	95%
Sigma-Aldrich (Rush Stock)	Germany	$2.87	100 g	99%
Sigma-Aldrich	Germany	$2.87	100 g	99%
Interbioscreen	Hong Kong	$10.00	10 g	95%

Chemical Identity

CAS108-83-8

PubChem CID7958

DTXSIDDTXSID4025080

FormulaC9H18O

Mol. Weight142.24 g/mol

SMILESCC(C)CC(=O)CC(C)C

Data Sources

EPA CompTox (DSSTox) · DTXSID4025080Retrieved 2026-04-06
PubChem · compound 7958Retrieved 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

Diisobutyl ketone (CAS 108-83-8) https://chemicalindependence.com/chemical/108-83-8/ EPA CompTox (DSSTox): DTXSID4025080. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4025080 PubChem: 7958. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/7958 EPA Chemical Data Reporting: 108-83-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 108-83-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291419 for CAS 108-83-8. Reporting year: 2024. https://usatrade.census.gov/