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8.05890

Sigma-Aldrich

Mesitylene

Technipur, for synthesis

Synonym(s):
1,3,5-Trimethylbenzene
Linear Formula:
C6H3(CH3)3
CAS Number:
Molecular Weight:
120.19
Beilstein:
906806
MDL number:

grade

for synthesis

Quality Level

vapor density

4.1 (vs air)

vapor pressure

14 mmHg ( 55 °C)
2.49 mmHg ( 25 °C)
2.8 hPa ( 20 °C)

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 is a methyl-substituted benzene hydrocarbon, a specialty solvent used for research and industrial applications. Derivatives of mesitylene are used as colorant precursors to prepare organic dye intermediates such as 2,4,6-trimethylaniline.

Application

  • Mesitylene is used as a:
  • building block to manufacture antioxidants, plasticizers, rubber, adhesives, etc.
  • ligand in organometallic reactions
  • developer for photo patternable silicones
  • precursor to prepare a variety of fine chemicals

Legal Information

Technipur is a trademark of Merck KGaA, Darmstadt, Germany

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Aquatic Chronic 2 - Asp. Tox. 1 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

122.0 °F

Flash Point(C)

50 °C

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