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Diphenhydramine Extraction

I was curious as to whether this would work or not. I was going to perform a cold water extraction for tylenol pm to remove the acetaminophen and leave the diphenhydramine. After the acetaminophen is filtered out, though, I am left with the water with the diphenhydramine. I was wondering if I were to boil this water and have it completely evaporated, would it leave a powder form of the diphenhydramine? Or would this be a waste?
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replied September 2nd, 2011
You can by diphenhydramine by itself in many sleep aids or allergy capsules like Benadryl. Unless you're doing an experiment I'd just go to the local pharmacy Smile
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