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Topic: Lewis Acids  (Read 8648 times)

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whizbangpop

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Lewis Acids
« on: August 23, 2004, 04:36:35 PM »
I am looking for a Lewis Acid that has a very fast evaporation rate. I have successfully used Zinc Chloride in my formula, but it does not evaporate. I appreciate any help.
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Re:Lewis Acids
« Reply #1 on: August 23, 2004, 09:38:15 PM »
How about BBr3 or BCl3?

Be careful though, they are both pretty potent.
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Offline AWK

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Re:Lewis Acids
« Reply #2 on: August 24, 2004, 05:59:29 AM »
What about BF3 ?
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AWK

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Re:Lewis Acids
« Reply #3 on: August 24, 2004, 09:01:05 PM »
BF3 would work too, but you usually get it as the etherate complex, which boils at 126 degrees C according to my Aldrich catalog.  Neat BF3 is a gas.
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Offline hmx9123

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Re:Lewis Acids
« Reply #4 on: August 27, 2004, 10:02:43 PM »
You can order BF3 in a tank.  I've worked with the etherate complex before, and I wasn't thrilled about it; it fumes a lot and makes HF, but hey...  the anhydrous gas is a lot worse.
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