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Impurities and reference standards

3-Methylbenzaldehyde

Also known as m-Tolualdehyde, 3-tolualdehyde, Benzaldehyde, 3-methyl-

CAS 620-23-5Formula C8H8OMolar mass 120.15 g/molEC 210-632-0
GHS signal word: Warning. Pictograms: Harmful or irritant 17 suppliers listed
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3-Methylbenzaldehyde chemical structure, C8H8O, CAS 620-23-5
2D chemical structure

Key facts

What buyers check first

All properties
Boiling point
199 °C
Density
1.0189 g/cm³ at 21 °C
Solubility
Miscible with ethanol, ethyl ether, very soluble in acetone, soluble in benzene, chlorof…
HS code
291229
Category
Impurities and reference standards

What is 3-Methylbenzaldehyde?

Plain description, key identifiers and synonyms

M-tolualdehyde is a tolualdehyde compound with the methyl substituent at the 3-position. It has a role as a plant metabolite.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3-methylbenzaldehyde
CAS number
620-23-5 CAS number cross-checked
EC number
210-632-0
Molecular formula
C8H8O
UNII
OWH6650C4Y
MDL number
MFCD00003374
INCI name
M-TOLUALDEHYDE
InChIKey
OVWYEQOVUDKZNU-UHFFFAOYSA-N
InChI
InChI=1S/C8H8O/c1-7-3-2-4-8(5-7)6-9/h2-6H,1H3
SMILES (canonical and isomeric)
CC1=CC(=CC=C1)C=O

Synonyms

  • m-Tolualdehyde
  • 3-tolualdehyde
  • Benzaldehyde, 3-methyl-
  • m-Methylbenzaldehyde
  • 3-Tolylaldehyde
  • m-Tolyl aldehyde
  • 3-methyl-benzaldehyde
  • m-Toluylaldehyde
  • m-Formyltoluene
  • meta-methylbenzaldehyde
  • M-Tolualdehyde, stabilized
  • m-Tolualdehyde, analytical standard
  • 3-Methyl-Benzaldehyd
  • 3-methyl benzaldehyde
  • m-tolylaldehyde
  • metatolualdehyde
  • m-toluic aldehyde
  • m-Tolualdehyde, b
  • m-methyl benzaldehyde
  • Tolualdehy
  • Ozagrel Impurity 78
  • m-Tolualdehyde, 97%
  • Tolualdehyde,m-
  • Meta tolualdehyde
  • benzaldehyde, m-methyl-
Show all 29 synonyms
  • Tolualdehyde, m-
  • 3-Methylbenzaldehyde, stab. with 0.1% hydroquinone
  • 3-Methylphenylcarboxaldehyde
  • doi:10.14272/OVWYEQOVUDKZNU-UHFFFAOYSA-N.1

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

Boiling point
199 °Cexp.
Density
1.0189 g/cm³ at 21 °Cexp.
Solubility
Miscible with ethanol, ethyl ether, very soluble in acetone, soluble in benzene, chloroformexp.

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)
1.81calc.
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

Hazard statements

  • H319Causes serious eye irritation.
Precautionary statements (4)
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P337 + P317If eye irritation persists: Get medical help.

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

3-Methylbenzaldehyde suppliers

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

All 17 suppliers
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Where suppliers are based

17 suppliers in 5 countries

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3-Methylbenzaldehyde 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

Cosmetic ingredient, INCI name M-TOLUALDEHYDE(perfuming)

Roles

  • eukaryotic metabolite
  • metabolite
  • plant metabolite

Functional uses

  • Flavouring and nutrient
  • Fragrance

Cosmetic functions

  • Perfuming

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 3-Methylbenzaldehyde is traded under.

HS 2912.29Indicative HS code

Cyclic aldehydes without other oxygen function, other

World exports in 2024
$435M
+19.0% vs 2023, imports $484M
2019 to 2024
Top exporters
  1. China19.5%
  2. Japan17.4%
  3. India * partner reported13.0%
Top importers
  1. United States22.5%
  2. China9.2%
  3. Singapore8.4%

* Partner reported figures, a lower bound.

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

The HS code shown for 3-Methylbenzaldehyde is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 3-Methylbenzaldehyde, based on the data on this page

What is 3-Methylbenzaldehyde?

M-tolualdehyde is a tolualdehyde compound with the methyl substituent at the 3-position. It has a role as a plant metabolite.

Is 3-Methylbenzaldehyde hazardous?

3-Methylbenzaldehyde carries the GHS signal word "Warning". Main hazards: causes serious eye irritation. 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 3-Methylbenzaldehyde

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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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