MilliporeSigma
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41423

Supelco

p-Tolualdehyde

analytical standard

Synonym(s):
4-Methylbenzaldehyde
Linear Formula:
CH3C6H4CHO
CAS Number:
Molecular Weight:
120.15
Beilstein:
385772
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.24

Quality Level

grade

analytical standard

assay

≥97.0% (GC)

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

impurities

≤0.5% o-tolualdehyde (GC)
≤0.50% m-tolualdehyde (GC)
≤1.0% water
≤3.0% free carboxylic acid (T)

refractive index

n20/D 1.544-1.548
n20/D 1.545 (lit.)

bp

204-205 °C (lit.)
82-85 °C/11 mmHg (lit.)

density

1.019 g/mL at 25 °C (lit.)

application(s)

cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care

format

neat

SMILES string

[H]C(=O)c1ccc(C)cc1

InChI

1S/C8H8O/c1-7-2-4-8(6-9)5-3-7/h2-6H,1H3

InChI key

FXLOVSHXALFLKQ-UHFFFAOYSA-N

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General description

p-Tolualdehyde (4-Methylbenzaldehyde) is a methylated benzene that belongs to the class of aromatic aldehydes. It is identified as a flavor/aroma component in Greek cotton honey, Brazilian wines, tobacco, etc. 4-Methylbenzaldehyde is also reported to be produced by the members of the genus, Phellinus.

Application

p-Tolualdehyde may be used as an analytical reference standard for the quantification of the analyte in the following:
  • Air samples using high-performance liquid chromatography with UV detection (HPLC-UV).
  • Mango cultivars using gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS).

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

161.6 °F - closed cup

Flash Point(C)

72 °C - closed cup

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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