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    jimborobson47's Avatar
    jimborobson47 Posts: 1, Reputation: 1
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    #1

    May 14, 2009, 04:02 AM
    Thermal properties of methanol
    Hi

    Can anyone provide data on the thermal behaviour of methanol in the 120C to 170C temperature range. We are heating methol (99.9% purity) in a sealed and evacuated high purity copper tube. There appears to be some degradation of the methanol. Is there a temperature at which methanol might breakdown into component parts ?

    Thank you
    Perito's Avatar
    Perito Posts: 3,139, Reputation: 150
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    #2

    May 14, 2009, 06:35 AM

    I'm sure that methanol will decompose. If there's nothing else in the vessel, it will decompose to form H2 and CO



    Copper is a catalyst for the reaction, though the temperature that they quote here is 240 C.

    SpringerLink - Journal Article

    There will probably also be some side reactions that will form formaldehyde and water and maybe some other cats and dogs.

    Look for papers citing DSC measurements.

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