Sciencemadness Discussion Board

Any uses for 1,3 propanediol?

Velzee - 26-8-2015 at 08:37

I recently received a one liter sample of 1,3 propanediol, yet I know no practical uses for this chemical.

gdflp - 26-8-2015 at 08:44

There are two writeups in Prepublications which utilize it.
Preparation of 1,3-dibromopropane
Preparation of Malonic Acid
Overall, it's quite a nice building block for organic molecules.

jamit - 26-8-2015 at 09:16

Where did you get the 1,3 propanediol?

Velzee - 26-8-2015 at 10:24

Quote: Originally posted by gdflp  
There are two writeups in Prepublications which utilize it.
Preparation of 1,3-dibromopropane
Preparation of Malonic Acid
Overall, it's quite a nice building block for organic molecules.


Darn. I don't have most of the equipment shown in any of those guides.


Quote:

Where did you get the 1,3 propanediol?


Here: http://www.duponttateandlyle.com/products_sample

They'll email you about your plans to use product.

battoussai114 - 26-8-2015 at 12:45

Aren't diols useful for making strong alkalines for organic reactions? But don't take my word for it as I'm no expert in organic chemistry...

PHILOU Zrealone - 29-8-2015 at 03:19

diol + organic polyacid -heat/acid catalyst-> polyester + water
See glyptals and alkyd resins.

[Edited on 29-8-2015 by PHILOU Zrealone]

CharlieA - 29-8-2015 at 17:38

So, if you didn't have any use for it, why did you get it? Didn't you basically cheat the vendor out of it? Thank you for giving amateur chemists a bad name!

Velzee - 29-8-2015 at 18:28

Quote: Originally posted by CharlieA  
So, if you didn't have any use for it, why did you get it? Didn't you basically cheat the vendor out of it? Thank you for giving amateur chemists a bad name!


I obtained the sample to explore its potential uses in chemistry, and I came here looking for suggestions. No, I didn't cheat the vendor. Why do you assume such a thing?

MeshPL - 30-8-2015 at 08:45

1,3-propanediol can be used as carbonyl protecting group. Upon heating with acid and aldehyde or ketone it forms cyclic acetal or ketal, which is resistant towards most reagents carbonyl group reacts with.

Source: http://www.organic-chemistry.org/protectivegroups/carbonyl/dioxanes-dioxolanes.htm