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M7200

Sigma-Aldrich

Mesitylene

98%

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Synonym(s):
1,3,5-Trimethylbenzene
Linear Formula:
C6H3(CH3)3
CAS Number:
Molecular Weight:
120.19
Beilstein:
906806
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.21

vapor density

4.1 (vs air)

Quality Level

vapor pressure

14 mmHg ( 55 °C)
2.49 mmHg ( 25 °C)

Assay

98%

form

liquid

autoignition temp.

1022 °F

expl. lim.

0.88-6.1 %, 100 °F

refractive index

n20/D 1.499 (lit.)

bp

163-166 °C (lit.)

mp

−45 °C (lit.)

density

0.864 g/mL at 25 °C (lit.)

SMILES string

Cc1cc(C)cc(C)c1

InChI

1S/C9H12/c1-7-4-8(2)6-9(3)5-7/h4-6H,1-3H3

InChI key

AUHZEENZYGFFBQ-UHFFFAOYSA-N

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General description

Mesitylene, also known as 1,3,5-trimethylbenzene, is a benzene derivative. Its carbon-13 spin-lattice relaxation times, dipolar relaxation rates and nuclear Overhauser enhancements have been measured to analyze the internal methyl rotation and intermolecular interactions. The anodic oxidation of mesitylene at a platinum electrode in the presence of different electroytes has been investigated. The ring deformation in mesitylene has been studied in the gas-phase by electron diffraction.

Application

Mesitylene may be used to:
  • Grow fullerene(C60)/1,3,5-trimethylbenzene (mesitylene) nanowires.
  • Prepare 2′,4′,6′-trimethyl acetophenone with high slectivity by reacting with acetyl chloride in the presence of dodecatungstophosphoric acid (DTP)/K-10 montomorillonite clay.
  • Synthesize 3,5-dimethylbenzaldehyde from benzene via peroxidative oxidation in the presence of vanadium(IV or V) compounds with N,O-ligands as catalysts.

Packaging

10L packaged in barrier layer poly jerrycan with electrostatically dissipating outside; 5mL, 100mL, 500mL packaged in glass bottles

Signal Word

Danger

Hazard Classifications

Aquatic Chronic 2 - Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

WGK

WGK 2

Flash Point(F)

122.0 °F

Flash Point(C)

50 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

危险化学品

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Peroxidative oxidation of benzene and mesitylene by vanadium catalysts.
Reis PM, et al.
J. Mol. Catal. A: Chem., 224(1), 189-195 (2004)
Carbon-13 Relaxation and Internal Rotation in Mesitylene and o-Xylene.
Kuhlmann KF and Grant DM.
J. Chem. Phys. , 55(6), 2998-3007 (1971)
The molecular structure of mesitylene as determined by electron diffraction.
Almenningen, A, et al.
Journal of Molecular Structure, 96(3-4), 373-377 (1983)
Kinetics and mechanism of selective monoacylation of mesitylene.
Yadav GD and Asthana NS.
Industrial & Engineering Chemistry Research, 41(23), 5565-5575 (2002)
Anodic Synthesis of Bimesityl by Oxidation of Mesitylene.
Nyberg K.
Acta Chemica Scandinavica, 25(2), 534-534 (1971)

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