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Aldehydes and ketones

Dibenzoylmethane

Also known as 1,3-Diphenylpropane-1,3-dione, 1,3-Diphenyl-1,3-propanedione, 1,3-Propanedione, 1,3-diphenyl-

CAS 120-46-7Formula C15H12O2Molar mass 224.26 g/molEC 204-398-9
GHS signal word: Warning. Pictograms: Harmful or irritant 51 suppliers listed
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Dibenzoylmethane chemical structure, C15H12O2, CAS 120-46-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
120-46-7
Formula
C15H12O2
Molar mass
224.26 g/mol
Physical form
Crystals
HS code
291439
Category
Aldehydes and ketones
Illustrative photo, closed white HDPE bottles and amber jars on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Dibenzoylmethane?

Plain description, key identifiers and synonyms

Dibenzoylmethane is a beta-diketone that is acetylacetone (acac) in which both methyl groups have been replaced by phenyl groups. It is a minor constituent of the root extract of licorice (Glycyrrhiza glabra) and exhibits antimutagenic and anticancer effects. It has a role as a metabolite, an antineoplastic agent and an antimutagen. It is a beta-diketone and an aromatic ketone.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1,3-diphenylpropane-1,3-dione
CAS number
120-46-7 CAS number cross-checked
EC number
204-398-9
Molecular formula
C15H12O2
UNII
ANS7ME8OKC
MDL number
MFCD00003085
InChIKey
NZZIMKJIVMHWJC-UHFFFAOYSA-N
InChI
InChI=1S/C15H12O2/c16-14(12-7-3-1-4-8-12)11-15(17)13-9-5-2-6-10-13/h1-10H,11H2
SMILES (canonical and isomeric)
C1=CC=C(C=C1)C(=O)CC(=O)C2=CC=CC=C2

Synonyms

  • 1,3-Diphenylpropane-1,3-dione
  • 1,3-Diphenyl-1,3-propanedione
  • 1,3-Propanedione, 1,3-diphenyl-
  • 2-Benzoylacetophenone
  • Phenyl phenacyl ketone
  • omega-Benzoylacetophenone
  • Rhodiastab 83
  • Karenzu DK2
  • gamma-Hydroxychalkone
  • 1,3-Diphenyl-propane-1,3-dione
  • Dibenzoyl-methane
  • dibenzoyl methane
  • Karenzu DK 2
  • Dibenzoylmethane 1,3
  • Dibenzoylmethane, 98%
  • 1, 1,3-diphenyl-
  • 1,3-diphenyl-1,3-propandione
  • 1,3-diphenyl-1,3-propanedion
  • 1,3-Diphenyl-Propan-1,3-Dion
  • 1,3-diphenyl-1,3-propadinedione
  • 1,3-Diphenyl-1,3-propanedione, 98%
  • Phenyl-alpha-hydroxystyryl ketone
  • Diphenyl-1,3-propanedione, 1,3-
  • Dibenzoylmethane 1,3-Diphenyl-1,3-propanedione

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Physical form
Crystalsexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
224.26 g/molcalc.
Exact mass
224.0837 Dacalc.
LogP (octanol/water)
3.14calc.
Topological polar surface area
34.14 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
4calc.
Heavy atoms
17calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.07calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=C(CC(=O)c1ccccc1)c1ccccc1

O=C(CC(=O)c1ccccc1)c1ccccc1

2 rings, 17 atoms. This chemical is the scaffold itself.

308 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H317May cause an allergic skin reaction.
Precautionary statements (8)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P272Contaminated work clothing should not be allowed out of the workplace.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Dibenzoylmethane suppliers

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All 51 suppliers
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Where suppliers are based

51 suppliers in 9 countries

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Dibenzoylmethane price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Industrial uses: Processing aids not otherwise specified, Heat stabilizer, Other.

Consumer uses: Heat stabilizer, Other.

Use classes: Plastics.

Roles

  • antimutagen
  • antineoplastic agent
  • metabolite
  • pharmaceutical

Functional uses

  • Heat stabilizer
  • Stabilizing agent

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Dibenzoylmethane is traded under.

HS 2914.39Indicative HS code

Aromatic ketones without other oxygen function, other

World exports in 2024
$207M
−12.1% vs 2023, imports $191M
2019 to 2024
Top exporters
  1. China61.4%
  2. India * partner reported12.4%
  3. Italy7.6%
Top importers
  1. India * partner reported11.9%
  2. Germany9.9%
  3. United States8.7%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Dibenzoylmethane is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Dibenzoylmethane, based on the data on this page

What is Dibenzoylmethane?

Dibenzoylmethane is a beta-diketone that is acetylacetone (acac) in which both methyl groups have been replaced by phenyl groups. It is a minor constituent of the root extract of licorice (Glycyrrhiza glabra) and exhibits antimutagenic and anticancer effects.

What is Dibenzoylmethane used for?

Industrial uses: Processing aids not otherwise specified, Heat stabilizer, Other. Consumer uses: Heat stabilizer, Other. Use classes: Plastics.

Is Dibenzoylmethane hazardous?

Dibenzoylmethane carries the GHS signal word "Warning". Main hazards: may cause an allergic skin reaction. This summary is not an SDS, always read the supplier safety data sheet.

Guides for buyers

Practical guides that help when you source, ship or handle Dibenzoylmethane

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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