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Synthetic aroma chemicals

Acetophenone

Also known as 1-Phenylethanone, Methyl phenyl ketone, Phenyl methyl ketone

CAS 98-86-2Formula C8H8OMolar mass 120.15 g/molEC 202-708-7
GHS signal word: Warning. Pictograms: Harmful or irritant 153 suppliers listed
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Acetophenone chemical structure, C8H8O, CAS 98-86-2
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless liquid
Melting point
19.4 °C
Boiling point
202.1 °C
Density
1.0281 g/cm³ at 20 °C
Flash point
76 °C
HS code
291439
Category
Synthetic aroma chemicals
UN number
UN 1993
Illustrative photo, an amber glass solvent bottle with clear liquid on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Acetophenone?

Plain description, key identifiers and synonyms

Acetophenone is a methyl ketone that is acetone in which one of the methyl groups has been replaced by a phenyl group. It has a role as a xenobiotic, a photosensitizing agent and an animal metabolite.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-phenylethanone
CAS number
98-86-2 CAS number cross-checked
EC number
202-708-7
Molecular formula
C8H8O
UNII
RK493WHV10
MDL number
MFCD00008724
INCI name
ACETOPHENONE
InChIKey
KWOLFJPFCHCOCG-UHFFFAOYSA-N
InChI
InChI=1S/C8H8O/c1-7(9)8-5-3-2-4-6-8/h2-6H,1H3
SMILES (canonical and isomeric)
CC(=O)C1=CC=CC=C1

Synonyms

  • 1-Phenylethanone
  • Methyl phenyl ketone
  • Phenyl methyl ketone
  • Acetylbenzene
  • Hypnone
  • Ethanone, 1-phenyl-
  • Benzoyl methide
  • Acetophenon
  • 1-phenylethan-1-one
  • Acetylbenzol
  • 1-Phenyl-1-ethanone
  • Benzoylmethide
  • Acetofenon
  • Benzene, acetyl-
  • USAF EK-496
  • Ketone, methyl phenyl
  • 1-phenyl-ethanone
  • Phenylethanone
  • RCRA waste number U004
  • Hypnon
  • methylphenylketone
  • phenylmethylketone
  • acetyl-benzen
  • Dymex
  • Acetophenone-alpha-13C
Show all 37 synonyms
  • RCRA waste no. U004
  • Ketone, methyl phenyl-
  • (2,2,2,-2H3)acetophenone
  • aceto phenone
  • aceto-phenone
  • Acetyl-Benzene
  • 6-acetophenone
  • alpha-Acetophenone
  • Ethanone,1-phenyl
  • methyl-phenyl ketone
  • Methyl phenyl-Ketone
  • nchem.180-comp5

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
Colorless liquidexp.
Odour
Sweet pungent odorexp.
Taste
Sweet, pungent tasteexp.
Melting point
19.4 °Cexp.
Boiling point
202.1 °Cexp.
Density
1.0281 g/cm³ at 20 °Cexp.
Flash point
76 °Cexp.
Autoignition temperature
570 °Cexp.
Solubility
In water, 6,130 mg/L at 25 °Cexp.
Vapour pressure
0.397 mm Hg at 25 °Cexp.

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
120.15 g/molcalc.
Exact mass
120.0575 Dacalc.
LogP (octanol/water)
1.89calc.
Topological polar surface area
17.07 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
1calc.
Heavy atoms
9calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.13calc.
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, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 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
220NFPA 704 rating

Hazard statements

  • H302Harmful if swallowed.
  • H319Causes serious eye irritation.
Precautionary statements (9)
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P330Rinse mouth.
  • P337 + P317If eye irritation persists: Get medical help.
  • P501Dispose of contents and container in accordance with local regulations.
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

Acetophenone suppliers

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

All 153 suppliers
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Where suppliers are based

153 suppliers in 20 countries

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Acetophenone 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

Photosensitizing Agents.

In perfumery to impart an orange-blossom-like odor, catalyst for the polymerization of olefins, in organic syntheses, esp. as photosensitizer.

It is useful in flavors of grape, cherry and tobacco.

Acetophenone is used in perfumery as a fragrance ingredient in soaps, detergents, creams, lotions, and perfumes, as a flavoring agent in foods, nonalcoholic beverages, and tobacco, as a specialty solvent for plastics and resins, as a catalyst for the polymerization of olefins, and in organic syntheses as a photosensitizer.

Industrial uses: Solvent, Processing aids not otherwise specified, Intermediate.

Consumer uses: Intermediate, Fragrance.

Cosmetic ingredient, INCI name ACETOPHENONE(fragrance, perfuming)

Pharmacological actions

  • Photosensitizing Agents

Roles

  • animal metabolite
  • eukaryotic metabolite
  • metabolite
  • pharmaceutical
  • photosensitizing agent
  • xenobiotic

Functional uses

  • Deodorizer
  • Flavouring and nutrient
  • Fragrance
  • Solvent

Cosmetic functions

  • Fragrance
  • Perfuming

How it is made

By-product from the oxidation of cumene.

Made from benzene and acetylchloride in presence of aluminum chloride, catalytically from acetic and benzoic acids. Preparation from benzene and acetic anhydride...

By catalytic oxidation of ethyl benzene, also prepared by fractional distillation and crystallization from the essential oil of Stirlingia latifolia.

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 606-042-00-1

Health and food

  • EU cosmetic ingredient inventory

United States

  • TSCA inventory (USA)
    Status: Active in US commerce, Regulatory flags: Proposed section 4 test rule

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Acetophenone 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 Acetophenone is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Acetophenone?

Acetophenone is a methyl ketone that is acetone in which one of the methyl groups has been replaced by a phenyl group. It has a role as a xenobiotic, a photosensitizing agent and an animal metabolite.

What is the CAS number of Acetophenone?

The CAS registry number of Acetophenone is 98-86-2.

What is the molecular formula and weight of Acetophenone?

The molecular formula of Acetophenone is C8H8O and its molar mass is 120.15 g/mol.

What is Acetophenone used for?

Photosensitizing Agents. In perfumery to impart an orange-blossom-like odor, catalyst for the polymerization of olefins, in organic syntheses, esp. as photosensitizer. It is useful in flavors of grape, cherry and tobacco.

Is Acetophenone hazardous?

Acetophenone carries the GHS signal word "Warning". Main hazards: harmful if swallowed, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Acetophenone?

Acetophenone 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 Acetophenone?

CompoundList lists 153 suppliers of Acetophenone in China, United States, India, Germany and 16 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Acetophenone in India?

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

What is the price of Acetophenone?

Suppliers quote Acetophenone 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 Acetophenone

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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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