3-Methyl-3-penten-2-one

CAS 565-62-8

EPA’s 2023 records show zero U.S. production of this chemical.

US productionZero

Import value, 2024$39M

Import volumeCBI

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

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. 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 Zero · 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 (1)

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

International Flavors And Fragrances

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.

Iff Chemical Holdings

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

Vendor Pricing

$1.73/gAaron Chemicals LLC

CountryHong Kong

Pack$173.00 / 100 g

Purity95%

Vendors2 available

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

1 more vendor

Vendor	Country	$/g	Pack	Purity
AA BLOCKS	United States	$4.00	5 g	95%

Chemical Identity

CAS565-62-8

PubChem CID79048

DTXSIDDTXSID4041490

FormulaC6H10O

Mol. Weight98.14 g/mol

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

Data Sources

EPA CompTox (DSSTox) · DTXSID4041490Retrieved 2026-04-06
PubChem · compound 79048Retrieved 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-Methyl-3-penten-2-one (CAS 565-62-8) https://chemicalindependence.com/chemical/565-62-8/ EPA CompTox (DSSTox): DTXSID4041490. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4041490 PubChem: 79048. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/79048 EPA Chemical Data Reporting: 565-62-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 565-62-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291419 for CAS 565-62-8. Reporting year: 2024. https://usatrade.census.gov/