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1,3-Diphenyl-1,3-propanedione

CAS 120-46-7

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

Molecular structure of 120-46-7
US productionCBI
Import value, 2024$16M
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. 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 291439 · basket

EPA reports by year
2023
US production Confidential · Imports Confidential
2019
US production Confidential · 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
CN 55%ChinaIN 26%IndiaIT 7%ItalyDE 5%GermanyGB 2%United Kingdom
Domestic parents -- activity not disclosed (1)
Polymer Additves
EPA-registered importers (3)
Akdeniz Chemson Additives
Mitsubishi Corporation (Americas)
Mitsubishi International Polymertrade

Why It Matters

Sectors
Plastics & RubberCore Chemicals
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 2 sectors as 1 functional role.

  • •Heat stabilizer in Plastics Product ManufacturingProcessing—incorporation into article
  • •Heat stabilizer in Plastics Material and Resin Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.03/gAaron Chemicals LLC
CountryHong Kong
Pack$13.00 / 500 g
Purity98%
Vendors28 available

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

27 more vendors
VendorCountry$/gPackPurity
Angene ChemicalChina → Hong Kong$0.03500 g98%
A2B Chem LLCUnited States$0.061 kg98%
AA BLOCKSUnited States$0.06500 g98%
Fluorochem EUGermany$0.07500 g95%
ChemsceneUnited States$0.081 kg—
BLD Pharmatech Co., LimitedUnited States$0.091 kg98%
BLD Pharmatech GmbHGermany$0.091 kg98%
BLD Pharmatech Ltd.China$0.091 kg98%
Ambeed, Inc.United States$0.091 kg98%
SynthonixUnited States$0.10500 g95%
Apollo Scientific UKUnited Kingdom$0.11500 g98%
Angene International LimitedUnited States$0.11500 g98%
Fluorochem UKUnited Kingdom$0.13100 g95%
AK Scientific SpecializedUnited States$0.141 kg98%
AK Scientific, Inc.United States$0.191 kg99%
AstaTech (2 weeks)United States$0.99100 g95%
ALFA AESARGermany$1.08500 g98%
Sigma-Aldrich (Rush Stock)Germany$1.82100 g98%
Sigma-AldrichGermany$1.82100 g98%
MedChemExpress MCESweden$1.88100 g98%
AldlabUnited States$30.361 g95%
Labotest KGGermany$217.805000 mg90%
Otava, Ltd.Ukraine$2280.0050 mg90%
Otava, Ltd. (2 weeks)Ukraine$2724.0050 mg90%
AngeneChina → Hong Kong$4266.6730 mg98%
Vitas M Chemical LimitedHong Kong$6250.0020 mg90%
Princeton BioMolecular Research (SC)United States$6500.0020 mg90%

Chemical Identity

CAS120-46-7
PubChem CID8433
DTXSIDDTXSID3041247
FormulaC15H12O2
Mol. Weight224.25 g/mol
SMILESC1=CC=C(C=C1)C(=O)CC(=O)C2=CC=CC=C2

Data Sources

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Brief citations

1,3-Diphenyl-1,3-propanedione (CAS 120-46-7) https://chemicalindependence.com/chemical/120-46-7/ EPA CompTox (DSSTox): DTXSID3041247. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID3041247 PubChem: 8433. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/8433 EPA Chemical Data Reporting: 120-46-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 120-46-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291439 for CAS 120-46-7. Reporting year: 2024. https://usatrade.census.gov/