3,3,5-Trimethylcyclohexanone

CAS 873-94-9

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$150M

Import volumeZero

Top sourceIndia 25%

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 291429 · basket

EPA reports by year

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

These shares come from HS customs code 291429, which covers 163 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 25%IndiaES 18%SpainCN 12%ChinaIL 11%IsraelCH 9%Switzerland

Slovakia
Malaysia
Netherlands
Ukraine
Singapore
Brazil
Romania
United Kingdom
Cyprus
Canada

Domestic parents -- activity not disclosed (1)

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

Evonik

Why It Matters

Sectors

Core 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 1 sector as 2 functional roles.

•Intermediate in All Other Basic Organic Chemical Manufacturing (50%)Processing as a reactant
•Solvent in All Other Basic Organic Chemical Manufacturing (50%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.18/gAstaTech, Inc

CountryUnited States

Pack$44.00 / 250 g

Purity95%

Vendors6 available

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

5 more vendors

Vendor	Country	$/g	Pack	Purity
Combi-Blocks, Inc.	United States	$0.25	1 kg	98%
A2B Chem LLC	United States	$0.27	1 kg	98%
AA BLOCKS	United States	$0.28	1 kg	98%
Angene International Limited	United States	$1.13	100 g	95%
Interbioscreen	Hong Kong	$10.00	10 g	95%

Chemical Identity

CAS873-94-9

PubChem CID13398

DTXSIDDTXSID5044996

FormulaC9H16O

Mol. Weight140.22 g/mol

SMILESCC1CC(=O)CC(C1)(C)C

Data Sources

EPA CompTox (DSSTox) · DTXSID5044996Retrieved 2026-04-06
PubChem · compound 13398Retrieved 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

3,3,5-Trimethylcyclohexanone (CAS 873-94-9) https://chemicalindependence.com/chemical/873-94-9/ EPA CompTox (DSSTox): DTXSID5044996. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID5044996 PubChem: 13398. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/13398 EPA Chemical Data Reporting: 873-94-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 873-94-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291429 for CAS 873-94-9. Reporting year: 2024. https://usatrade.census.gov/