Methanone, phenyl(2,4,6-trimethylphenyl)-

CAS 954-16-5

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

US productionZero

Import value, 2024$16M

Import volumeCBI

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

Top sourceChina 55%

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 291439 · basket

EPA reports by year

2023: US production Zero · Imports Confidential

These shares come from HS customs code 291439, which covers 86 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 55%ChinaIN 26%IndiaIT 7%ItalyDE 5%GermanyGB 2%United Kingdom

Slovakia
Japan
Netherlands
Hong Kong
Ukraine
Latvia

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.

Igm Resins Charlotte

Why It Matters

Sectors

Plastics & Rubber

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

•Tanning agents not otherwise specified in Plastics Material and Resin Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.12/gAaron Chemicals LLC

CountryHong Kong

Pack$58.00 / 500 g

Purity98%

Vendors16 available

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

15 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.13	500 g	98%
BLD Pharmatech Ltd.	China	$0.15	1 kg	98%
A2B Chem LLC	United States	$0.16	500 g	98%
BLD Pharmatech GmbH	Germany	$0.18	500 g	98%
BLD Pharmatech Co., Limited	United States	$0.20	500 g	98%
Ambeed, Inc.	United States	$0.20	500 g	98%
AA BLOCKS	United States	$0.20	500 g	98%
Combi-Blocks, Inc.	United States	$0.25	1 kg	98%
Fluorochem EU	Germany	$0.35	100 g	98%
AstaTech, Inc	United States	$0.39	100 g	95%
Synthonix	United States	$0.40	100 g	98%
Angene International Limited	United States	$1.04	25 g	95%
AK Scientific, Inc.	United States	$1.08	25 g	98%
Specs	Netherlands	$132.13	10 g	90%
Angene	China → Hong Kong	$4266.67	30 mg	98%

Chemical Identity

CAS954-16-5

PubChem CIDNot recorded

DTXSIDDTXSID8061349

FormulaC16H16O

Mol. Weight224.303 g/mol

SMILESCC1=CC(C)=C(C(=O)C2=CC=CC=C2)C(C)=C1

Data Sources

EPA TSCA InventoryRetrieved 2026-04-29
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

Methanone, phenyl(2,4,6-trimethylphenyl)- (CAS 954-16-5) https://chemicalindependence.com/chemical/954-16-5/ EPA TSCA Inventory: CAS 954-16-5. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 954-16-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 954-16-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291439 for CAS 954-16-5. Reporting year: 2024. https://usatrade.census.gov/