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MAH (Maleic Anhydride)

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[Basic Infomation]
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>> MAH (Maleic Anhydride)

  • Process : Alusuisse Process (LONZA)
  • MAH is anhydride of dicarboxylic unsaturated acid which readily reacts with glycols, hydrogen, water, hydrazine, amines, alcohols, olefins, diens and petroleum resins. Its representative end-use is to make unsaturated polyester resins.
  • Production Capacity : 28,000 MTA

-. Product Physical Properties

Analysis Items / Product Maleic Anhydride
Appearance Water clear in molten state
Purity (wt.%) 99.5
Molten Color (APHA) 20 max.
Color (APHA) -
Water (wt.%) -
Ash (ppm) 10 max.
Carbonyl No. (mgKOH/g) -
Peroxide Content (ppm) -
Solidification Point (°C) 52.5 min.
CAS No. 108-31-6

-. Product Specifications

Property Items / Product Maleic Anhydride
Molecular Weight 98.06
Chemical Formula Contact details
Structural Formula Contact details
Smell Proper irritating
Boiling Point (°C) 199.9
Specific Gravity (60/4°C) 1,314
Viscosity (70°C, cP) 1.5
Flash Point (°C) 110
Retractive Index -

-. Uses

  • Unsaturated polyester resin
  • r-Butyrolactone
  • Alkyd resins
  • Malic acid
  • Succinic acid
  • Fumaric acid