5-apb / 6-apb / BF reagent test comparison

[tragiclemming]

I have access to 5-apb and 6-apb from the same source. I thought it may be useful to show marquis test results of each for comparison.

First up is 5-apb. It is lighter in color and has a different smell. Not unpleasant. I would describe it as similar to 6-apb but with a sweeter note.
http://img96.imageshack.us/img96/4631/65471739.jpg

Next is an early batch of 6-apb.
http://img641.imageshack.us/img641/6771/92496364.jpg

A later batch 6-apb
http://img156.imageshack.us/img156/4474/10668487.jpg

All 3 next to each other:
http://img137.imageshack.us/img137/3659/all2m.jpg

The tests were done with new Marquis. Small quantity of each powder placed into a white porcelain coffee cup and 3 drops of marquis were added to each. The order from left to right is as above. 5-apb, older 6-apb and newer 6-apb
http://img268.imageshack.us/img268/5608/5661z.jpg

After 5 mins:
http://img171.imageshack.us/img171/2407/566t.jpg

The 2 6-apb results were identical. Here is an example of one:
http://img502.imageshack.us/img502/9130/6ap21.jpg

Here is the 5-apb result:
http://img337.imageshack.us/img337/9212/5ap1.jpg

Observations are as follows. 5-apb produces a much darker result. When the liquid is in a puddle, it looks black. Swirl it around the edges and you will see a dark brown/green/yellow colouring. The 6-apb is a distinctive purple colour. Easily distinguishable from 5-apb. Upon swirling around the cup the colour remains consistently purple.

So, they look different, they smell different and they (5-apb and 6-apb powder) react differently towards marquis reagent.

Just for kicks, I tested an original batch BF pellet.
http://img80.imageshack.us/img80/2872/bf3e.jpg

Adding marquis:
http://img810.imageshack.us/img810/6041/bf1r.jpg
This also gave the same purple colour change as 6-apb powder. It was less intense due to the presence of the binder, meaning less 6-apb was present to react with the marquis.

Hope this may be of use. I have higher res-images available and will post them if required. These should give you an idea at least.
Lemming

 

[Torabora]

very helpfull so 5-apb is not just a higher purity 6-apb as many people suggested (but still unclear if it is 5-apb at all ^^)

 

[pofacedhoe]

you have to trust your source as with all buying of internet rc's

very usefull and informative as always. makes a change from the old style 6apb nonsense threads

 

[tragiclemming]

I shall sample 5-apb this weekend and try and do a comparison.

 

[Torabora]

I did a GC/MS on my 5-apb powder and it shows the right masses and the correct fragments so it is 5-apb or 6-apb (as those have the same molceular mass and I cant tell which one it is, for this you need NMR) but since it seems maruqies produces different colours you can assume it is 5-apb and not 6-apb.

I also have some 6-apb powder which I will test next maybe then I can see a different fragmentation pattern.

for the 5-apb the purity was very good only 2% impurites but since I did a basic/waterous extraction I cant see any impurites which arent soluable in MTBE but purity still seems good

 

[tragiclemming]

I did a GC/MS on my 5-apb powder and it shows the right masses and the correct fragments so it is 5-apb or 6-apb (as those have the same molceular mass and I cant tell which one it is, for this you need NMR) but since it seems maruqies produces different colours you can assume it is 5-apb and not 6-apb.

I also have some 6-apb powder which I will test next maybe then I can see a different fragmentation pattern.

for the 5-apb the purity was very good only 2% impurites but since I did a basic/waterous extraction I cant see any impurites which arent soluable in MTBE but purity still seems good

Any chance you can publish these?

 

[Torabora]

yes I will scan them next week nad post them

 

[tragiclemming]

5-apb NMR

This is 'supposed' to be a ref H-NMR for 5-apb. Can someone from ADD comment?

NSFW: