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Mesityl oxide

Product
chemical structure of MO

Mesityl oxide (MO) is a α-unsaturated ketone. It is mainly used in fine chemistry in the synthesis of vitamins, flavour and fragrances.

 

It is also an intermediate in the synthesis of MIBK, MIBC and DIBK. MO can be a used as a solvent in inks, coating or agrochemicals.

Identity

CAS number
141-79-7
Chemical name
4-Methyl-3-pentene-2-one
Common name
MO

Properties

  • Purity (% by weight) : ≥ 99,0
  • Appearance at 20°C : clear liquid free from suspended materials
  • Density at 20°C (g/cm3) : 0,852 - 0,856
  • Boiling point at 1013 Pa : 129,8°C
  • Flash point (closed cup) : 28 °C
  • Water solubility at 20°C :

      MO in water (mass fraction) : 2,8%
      water in MO (mass fraction) : 3,4%

  • Hansen Solubility Parameters at 25°C

      δt = 18,9

      δd = 16,4
      δp = 6,1
      δh = 6,1

Geographic availability

Worldwide

Markets

  • Chemical and plastics industry
    • Fine chemistry
    • Pharmaceuticals
  • Consumer goods
    • Fragrances
  • Food industry and agrochemicals
    • Agrochemicals
    • Fragrances
  • Paint, coatings and adhesives
    • Inks
    • Paints and coatings

Applications

  • Building block
  • Solvents
 
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