Allyl Alcohol and Allyl Bromide From Pineapple Perfume
24.3 هزار بار بازدید -
8 ماه پیش
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Allyl alcohol and allyl bromide
Allyl alcohol and allyl bromide are two important precursors that are somewhat under-represented in the hobby chemistry community. And since I need the latter chemical to synthesize an ultra-potent caffeine analog in an upcoming video, I'll be showing how to make both in this video!
UPDATE: I don't know how I screwed this up, but the final yield was actually more like 88% based on the amount of allyl cyclohexylpropionate used. 100mL of this ester is 0.483 moles, so a 100% yield of allyl bromide would've been 0.483 moles, or 58.4 grams (I got just over 50g). Sorry for the mix up, I must've been looking at the yield based on hydrobromic acid, which wasn't the limiting reagent!
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Patreon: LabCoatz
https://www.paypal.com/paypalme/labcoatz
@THYZOID hydrobromic acid synth: Making Azeotropic hydrobromic acid (HBr)
Allyl alcohol from glycerin/formic acid: Allyl alcohol synthesis
WARNING: allyl alcohol is toxic and highly irritating to the eyes and respiratory track, and allyl bromide is carcinogenic. Caution must be taken when handling these chemicals and their precursors (sulfuric acid, hydrobromic acid, and sodium hydroxide are all highly corrosive). LabCoatz is not responsible for harm or injury resulting from replication of the video content.
0:00 Intro
0:44 Ways to get allyl alcohol
1:29 Ingredients
2:03 Allyl alcohol prep and redistillation
4:46 Allyl bromide synthesis
6:30 Workup and yield
7:37 How does it smell?
8:09 Burning allyl bromide
8:36 What's it for?
9:10 Patron thanks and outro
UPDATE: I don't know how I screwed this up, but the final yield was actually more like 88% based on the amount of allyl cyclohexylpropionate used. 100mL of this ester is 0.483 moles, so a 100% yield of allyl bromide would've been 0.483 moles, or 58.4 grams (I got just over 50g). Sorry for the mix up, I must've been looking at the yield based on hydrobromic acid, which wasn't the limiting reagent!
Want to support LabCoatz? Of course you do! Feel free to join my Patreon here, or simply donate using the PayPal link:
Patreon: LabCoatz
https://www.paypal.com/paypalme/labcoatz
@THYZOID hydrobromic acid synth: Making Azeotropic hydrobromic acid (HBr)
Allyl alcohol from glycerin/formic acid: Allyl alcohol synthesis
WARNING: allyl alcohol is toxic and highly irritating to the eyes and respiratory track, and allyl bromide is carcinogenic. Caution must be taken when handling these chemicals and their precursors (sulfuric acid, hydrobromic acid, and sodium hydroxide are all highly corrosive). LabCoatz is not responsible for harm or injury resulting from replication of the video content.
0:00 Intro
0:44 Ways to get allyl alcohol
1:29 Ingredients
2:03 Allyl alcohol prep and redistillation
4:46 Allyl bromide synthesis
6:30 Workup and yield
7:37 How does it smell?
8:09 Burning allyl bromide
8:36 What's it for?
9:10 Patron thanks and outro
8 ماه پیش
در تاریخ 1402/11/25 منتشر شده
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