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Topic: ethane-1,2-diol as antifreeze  (Read 10126 times)

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ccj

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ethane-1,2-diol as antifreeze
« on: September 02, 2004, 05:14:47 AM »
ethane-1,2-diol is used as antifreeze. suggest a reason why it is preferred to methanol which was formerly used for this purpose.

hope somebody can help. thanks. ;D
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Offline AWK

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Re:ethane-1,2-diol as antifreeze
« Reply #1 on: September 02, 2004, 05:46:29 AM »
The reason is higher boiling point and lower toxicity.
« Last Edit: September 02, 2004, 05:47:26 AM by AWK »
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AWK

Offline movies

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Re:ethane-1,2-diol as antifreeze
« Reply #2 on: September 02, 2004, 01:30:02 PM »
Is it less flammable as well?

It is still pretty toxic, right?
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Offline jdurg

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Re:ethane-1,2-diol as antifreeze
« Reply #3 on: September 02, 2004, 03:56:47 PM »
It is still fairly toxic, but much less so than methanol.  Methanol is VERY volatile and is easily vaporized.  Inhalation of this vapor is not a good thing.  Ethane-1,2-diol is much less volatile, so it won't vaporize as easily and there's less chance that somebody would inhale it.
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Tetrahedrite

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Re:ethane-1,2-diol as antifreeze
« Reply #4 on: September 02, 2004, 08:26:49 PM »
Volatile, flammable liquid + hot engine + sparks = disaster 8)
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