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Impurities and reference standards

4-Methylbenzophenone

Also known as Methanone, (4-methylphenyl)phenyl-, phenyl(p-tolyl)methanone, p-Methylbenzophenone

CAS 134-84-9Formula C14H12OMolar mass 196.25 g/molEC 205-159-1
GHS signal word: Warning. Pictograms: Harmful or irritant 26 suppliers listed
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4-Methylbenzophenone chemical structure, C14H12O, CAS 134-84-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
134-84-9
Formula
C14H12O
Molar mass
196.25 g/mol
Physical form
Liquid
HS code
291439
Category
Impurities and reference standards
Illustrative photo, 200 litre blue HDPE drums of liquid in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is 4-Methylbenzophenone?

Plain description, key identifiers and synonyms

4-Methylbenzophenone is a chemical substance with the molecular formula C14H12O and a molar mass of 196.25 g/mol. Its CAS registry number is 134-84-9. The IUPAC name is (4-methylphenyl)-phenylmethanone.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(4-methylphenyl)-phenylmethanone
CAS number
134-84-9 CAS number cross-checkedOther or deprecated CAS: 42343-24-8
EC number
205-159-1
Molecular formula
C14H12O
UNII
B2F68X17BM
MDL number
MFCD00008553
INCI name
METHYL BENZOPHENONE
InChIKey
WXPWZZHELZEVPO-UHFFFAOYSA-N
InChI
InChI=1S/C14H12O/c1-11-7-9-13(10-8-11)14(15)12-5-3-2-4-6-12/h2-10H,1H3
SMILES (canonical and isomeric)
CC1=CC=C(C=C1)C(=O)C2=CC=CC=C2

Synonyms

  • Methanone, (4-methylphenyl)phenyl-
  • phenyl(p-tolyl)methanone
  • p-Methylbenzophenone
  • (4-Methylphenyl)(phenyl)methanone
  • Phenyl p-tolyl ketone
  • p-Benzoyltoluene
  • 4-Methyl benzophenone
  • (4-methylphenyl)-phenylmethanone
  • 4-benzoyltoluene
  • p-Benzophenone, methyl-
  • Benzophenone, 4-methyl-
  • USAF DO-54
  • 4-Methyl-Benzophenone
  • (4-methylphenyl)phenylmethanone
  • 4-methylphenyl phenyl ketone
  • 4-methylphenyl
  • 4-methybenzophenone
  • phenyl-p-tolyl-methanone
  • 4-Methylbenzophenone, 99%
  • (4-Methyphenyl)(phenyl)methanone
  • (Phenyl)(4-methylphenyl)methanone
  • 4-Methylbenzophenone, analytical standard
  • 4-Methylbenzophenone Solution in Methanol, 1000ug/mL
  • 4-Methylbenzophenone Solution in Methanol, 100ug/mL
  • Benzyl methyl sulfide, United States Pharmacopeia (USP) Reference Standard

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.

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
196.25 g/molcalc.
Exact mass
196.0888 Dacalc.
LogP (octanol/water)
3.23calc.
Topological polar surface area
17.07 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
2calc.
Heavy atoms
15calc.
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(c1ccccc1)c1ccccc1

O=C(c1ccccc1)c1ccccc1

2 rings, 14 atoms, the Benzophenone ring system.

5,108 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

  • 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.

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

4-Methylbenzophenone suppliers

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All 26 suppliers
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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

26 suppliers in 4 countries

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4-Methylbenzophenone 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: Filler, Photosensitive agent.

Consumer uses: Photosensitive agent.

Cosmetic ingredient, INCI name METHYL BENZOPHENONE(light stabilizer)

Functional uses

  • Photosensitizers
  • Stabilizing agent

Cosmetic functions

  • Light stabilizer

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

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 4-Methylbenzophenone 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 4-Methylbenzophenone is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 4-Methylbenzophenone, based on the data on this page

What is 4-Methylbenzophenone?

4-Methylbenzophenone is a chemical substance with the molecular formula C14H12O and a molar mass of 196.25 g/mol. Its CAS registry number is 134-84-9. The IUPAC name is (4-methylphenyl)-phenylmethanone.

What is the CAS number of 4-Methylbenzophenone?

The CAS registry number of 4-Methylbenzophenone is 134-84-9. Other or deprecated CAS numbers: 42343-24-8.

What is the molecular formula and weight of 4-Methylbenzophenone?

The molecular formula of 4-Methylbenzophenone is C14H12O and its molar mass is 196.25 g/mol.

What is 4-Methylbenzophenone used for?

Industrial uses: Filler, Photosensitive agent. Consumer uses: Photosensitive agent.

Is 4-Methylbenzophenone hazardous?

4-Methylbenzophenone 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 4-Methylbenzophenone?

4-Methylbenzophenone 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 4-Methylbenzophenone?

CompoundList lists 26 suppliers of 4-Methylbenzophenone in China, United States, India and Netherlands. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy 4-Methylbenzophenone in India?

1 supplier in India list 4-Methylbenzophenone on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of 4-Methylbenzophenone?

Suppliers quote 4-Methylbenzophenone 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 4-Methylbenzophenone

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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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