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Aromatic building blocks

Fluorenone

Also known as 9-Fluorenone, 9H-Fluoren-9-one, Fluoren-9-one

CAS 486-25-9Formula C13H8OMolar mass 180.21 g/molEC 207-630-7
GHS signal word: Warning. Pictograms: Harmful or irritant, Hazardous to the environment 38 suppliers listed
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Fluorenone chemical structure, C13H8O, CAS 486-25-9
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Yellow rhombic bipyramidal crystals from alcohol, benzene-petroleum ether
Melting point
84 °C
Boiling point
341.5 °C
Density
1.1300 @ 99 °C/4 °C
Solubility
INSOL IN WATER, SOL IN ALCOHOL, ACETONE, BENZENE, VERY SOL IN ETHER, TOLUENE, HOT BENZENE
HS code
291439
Category
Aromatic building blocks
Illustrative photo, yellow pigment powder in a glass jar on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Fluorenone?

Plain description, key identifiers and synonyms

Fluoren-9-one is the simplest member of the class fluoren-9-ones that is 9H-fluorene bearing an oxo substituent at position 9. It has a role as a fungal xenobiotic metabolite.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
fluoren-9-one
CAS number
486-25-9 CAS number cross-checked
EC number
207-630-7
Molecular formula
C13H8O
UNII
AZ9T83S2AQ
MDL number
MFCD00001141
InChIKey
YLQWCDOCJODRMT-UHFFFAOYSA-N
InChI
InChI=1S/C13H8O/c14-13-11-7-3-1-5-9(11)10-6-2-4-8-12(10)13/h1-8H
SMILES (canonical and isomeric)
C1=CC=C2C(=C1)C3=CC=CC=C3C2=O

Synonyms

  • 9-Fluorenone
  • 9H-Fluoren-9-one
  • Fluoren-9-one
  • Diphenylene ketone
  • 9-Oxofluorene
  • 9H-Fluorene-9-one
  • 9-fluoreneone
  • 9H-fluoren9-one
  • 9-Fluorenone, 98%
  • 9-Fluorenone Solution in Methanol, 100ug/mL
  • 9-Fluorenone Solution in Methanol, 1000ug/mL

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

Appearance
Yellow rhombic bipyramidal crystals from alcohol, benzene-petroleum etherexp.
Melting point
84 °Cexp.
Boiling point
341.5 °Cexp.
Density
1.1300 @ 99 °C/4 °Cexp.
Solubility
INSOL IN WATER, SOL IN ALCOHOL, ACETONE, BENZENE, VERY SOL IN ETHER, TOLUENE, HOT BENZENEexp.

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
180.21 g/molcalc.
Exact mass
180.0575 Dacalc.
LogP (octanol/water)
2.9calc.
Topological polar surface area
17.07 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
0calc.
Heavy atoms
14calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0calc.
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=C1c2ccccc2-c2ccccc21

O=C1c2ccccc2-c2ccccc21

3 rings, 14 atoms. This chemical is the scaffold itself.

595 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
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
  • H411Toxic to aquatic life with long lasting effects.
Precautionary statements (18)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P391Collect spillage.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • 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

Fluorenone suppliers

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

All 38 suppliers
30 of 30 offers

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

38 suppliers in 8 countries

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Fluorenone 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

Intermediate.

Reagent (Oppenauer oxidation).

Used as a chemical intermediate in the synthesis of: 2-methyl-3-phenylbenzyl alcohol, 2,3,7-trinitrofluorenone.

Industrial uses: Intermediate.

Roles

  • eukaryotic metabolite
  • fungal metabolite
  • fungal xenobiotic metabolite
  • metabolite
  • xenobiotic metabolite

How it is made

Fluorenone can be produced by catalytic oxidation of fluorene, or of fluorene fractions in the presence of a quarternary ammonium salt, or by catalytic oxidative cracking (oxicracking) of a suitable aromatic.

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 Fluorenone 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 Fluorenone is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Fluorenone?

Fluoren-9-one is the simplest member of the class fluoren-9-ones that is 9H-fluorene bearing an oxo substituent at position 9. It has a role as a fungal xenobiotic metabolite.

What is the CAS number of Fluorenone?

The CAS registry number of Fluorenone is 486-25-9.

What is the molecular formula and weight of Fluorenone?

The molecular formula of Fluorenone is C13H8O and its molar mass is 180.21 g/mol.

What is Fluorenone used for?

Intermediate. Reagent (Oppenauer oxidation). Used as a chemical intermediate in the synthesis of: 2-methyl-3-phenylbenzyl alcohol, 2,3,7-trinitrofluorenone. Industrial uses: Intermediate.

Is Fluorenone hazardous?

Fluorenone carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Fluorenone?

Fluorenone is usually classified under HS code 291439 (Aromatic ketones without other oxygen function, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Fluorenone?

CompoundList lists 38 suppliers of Fluorenone in China, United States, Japan, Germany and 4 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Fluorenone in India?

1 supplier in India list Fluorenone on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Fluorenone?

Suppliers quote Fluorenone 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 Fluorenone

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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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