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Methyl tetrahydrophthalic anhydride

  • CAS No:19438-64-3 6-methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione
    Molecular Structure

    Detailed Description

    MTHPA

    Molecular formula C9H10O3
    Molecular weight 166.18
    CAS NO. 19438-64-3
    UN NO. /
    CN NO. /
    EINECS. 234-290-7
    Chemical name Methyl tetrahydrophthalic anhydride

    Prepared By ICASON PM REVISION:2011
    Approved By PRODUCTION SPECIFICATION
    Valid From:2011-9-10

    Brief Introduction:
    MTHPA is Light yellow transparent liquid. This product is synthesized from C5 by distinctive methodology. It has many excellent properties: high purity, light color, low viscosity, good processing properties, low volatility, low toxicity, low solidifying point, durable at room temperature and so on.
    The product is a new material for electronical & mechanical products.As the curing agent, it is widely used in casting, sealing, winding, and bonding technology.

    Specification:

    Item\Index IHY905 IHY908 IHY910 IHY912
    Chroma(Pt-Co) <300 <200
    Crystallizing Point, °C <-20
    Viscosity Pa.s,25°C ≤0.180 ≤0.050 ≤0.040
    Acidity, mgKOH/g ≥490 660-685
    Anhydride Content, (%) ≥30 ≥41.5
    Loss on Heating (%,120°C) ≤1.5

    Application Condition:
    Formulation: E-51 epoxy resin: FHY series solidifying agent: accelerant=100: 75-80: 0.1-0.5.
    Process: 60-80 °C debubbling+100 °C /2hrs+130 °C /6hrs, the subsequent temperature and time is decided according to the volume of solidified matter.

    Package and Storage:
    25kg plastic barrel or 220kg iron barrel.
    In the storage and transportation process, it should be sealed and avoid moisture. It should be stored in dry and ventilated warehouse. It can be stored one year at room temperature.
  • Methyl tetrahydrophthalic anhydride
  • Methyl tetrahydrophthalic anhydride