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Aldehydes and ketones

Phorone

Also known as 2,6-Dimethyl-2,5-heptadien-4-one, 2,6-Dimethylhepta-2,5-dien-4-one, Diisopropylidene acetone

CAS 504-20-1Formula C9H14OMolar mass 138.21 g/molEC 207-986-3
14 suppliers listed
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Phorone chemical structure, C9H14O, CAS 504-20-1
2D chemical structure

Key facts

What buyers check first

All properties
Physical form
Liquid
Melting point
28 °C
Boiling point
198 °C
Density
Relative density (water = 1): 0.9
Flash point
85 °C
HS code
291419
Category
Aldehydes and ketones
UN number
UN 1993
Illustrative photo, closed blue steel drums of liquid in a chemical plant
Typical packagingIllustrative packaging image, not the actual product

What is Phorone?

Plain description, key identifiers and synonyms

Phorone is a dialkenyl ketone.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2,6-dimethylhepta-2,5-dien-4-one
CAS number
504-20-1 CAS number cross-checked
EC number
207-986-3
Molecular formula
C9H14O
UNII
8F20OEI0MV
MDL number
MFCD00008901
InChIKey
MTZWHHIREPJPTG-UHFFFAOYSA-N
InChI
InChI=1S/C9H14O/c1-7(2)5-9(10)6-8(3)4/h5-6H,1-4H3
SMILES (canonical and isomeric)
CC(=CC(=O)C=C(C)C)C

Synonyms

  • 2,6-Dimethyl-2,5-heptadien-4-one
  • 2,6-Dimethylhepta-2,5-dien-4-one
  • Diisopropylidene acetone
  • Foron
  • Diisobutenyl ketone
  • 2,5-Heptadien-4-one, 2,6-dimethyl-
  • Phoron
  • diisopropylideneacetone
  • sym-Diisopropylidene acetone
  • s-Diisopropylidene acetone
  • 2,6-dimethyl-hepta-2,5-dien-4-one
  • 2,6-Dimethyl-2,5-heptadiene-4-one
  • 2,5-heptadien-4-one
  • Diisobutenylketone
  • 4-01-00-03564 (Beilstein Handbook Reference)
  • 2,6-Dimethyl-2,5-heptadien-4-one, 95%
  • 2,6-Dimethyl-2,5-heptadieen-4-one

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
Liquidexp.
Melting point
28 °Cexp.
Boiling point
198 °Cexp.
Density
Relative density (water = 1): 0.9exp.
Flash point
85 °Cexp.
Solubility
Solubility in water: poorexp.
Vapour pressure
Vapor pressure, Pa at 20 °C: 51exp.

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
138.21 g/molcalc.
Exact mass
138.1045 Dacalc.
LogP (octanol/water)
2.49calc.
Topological polar surface area
17.07 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
2calc.
Heavy atoms
10calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.44calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS classification
Hazard pictograms
UN number
UN 1993

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

Phorone suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 14 suppliers
14 of 14 offers
  • Wuhan Fortuna Chemical Co., Ltd
    China, WuhanUnclaimed profile
    PhoroneGrade, purity and minimum order on request
    Price on request
    View
  • Synectic Corporation
    United States, NitroUnclaimed profile
    PhoroneGrade, purity and minimum order on request
    Price on request
    View
  • Acorn PharmaTech, LLC
    United States, Redwood CityUnclaimed profile
    PhoroneGrade, purity and minimum order on request
    Price on request
    View
  • Allbio Pharm Co., Ltd.
    China, SuzhouUnclaimed profile
    PhoroneGrade, purity and minimum order on request
    Price on request
    View
  • Apexmol
    China, ChongqingUnclaimed profile
    PhoroneGrade, purity and minimum order on request
    Price on request
    View
  • Biopharma PEG Scientific Inc
    United States, WatertownUnclaimed profile
    PhoroneGrade, purity and minimum order on request
    Price on request
    View
  • Capot
    China, HangzhouUnclaimed profile
    PhoroneGrade, purity and minimum order on request
    Price on request
    View
  • Chemenu. Inc.
    China, ShanghaiUnclaimed profile
    PhoroneGrade, purity and minimum order on request
    Price on request
    View
  • DSL Chemicals Co., Ltd.
    China, ShanghaiUnclaimed profile
    PhoroneGrade, purity and minimum order on request
    Price on request
    View
  • Matrix Scientific
    United States, ElginUnclaimed profile
    PhoroneGrade, purity and minimum order on request
    Price on request
    View

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

14 suppliers in 3 countries

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Phorone price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

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 Phorone is traded under.

HS 2914.19Indicative HS code

Acyclic ketones without other oxygen function, other

World exports in 2024
$264M
+1.7% vs 2023, imports $308M
2019 to 2024
Top exporters
  1. China27.1%
  2. United States27.0%
  3. Germany10.5%
Top importers
  1. China22.8%
  2. United States13.0%
  3. India * partner reported10.7%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Phorone?

Phorone is a dialkenyl ketone.

What is the CAS number of Phorone?

The CAS registry number of Phorone is 504-20-1.

What is the molecular formula and weight of Phorone?

The molecular formula of Phorone is C9H14O and its molar mass is 138.21 g/mol.

What is Phorone used for?

Known uses and roles of Phorone include building blocks in research and laboratory.

Is Phorone hazardous?

No GHS hazard classification for Phorone is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Phorone?

Phorone is usually classified under HS code 291419 (Acyclic ketones without other oxygen function, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Phorone?

CompoundList lists 14 suppliers of Phorone in China, United States and Czech Republic. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Phorone?

Suppliers quote Phorone on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

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

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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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