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Stoiciometry with Polymers and Synethesis of Adipoyl Chloride

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yay:
I'm trying to write a reaction between thionyl chloride, adipic acid, and dimethylformamide, but cant figure out how to balance it. So far I have:

SOCl2 +C6H10O4 + C7H3NO   :rarrow: C6H8Cl2O2

What would be the other product

Also, using stochiometry for the reaction:

C6H8Cl2O2 + C6H16N2  :rarrow: (C12H22N2O2)n

for example, knowing that you have 5.85 g of C6H8Cl2O2, how would u determine the amount of (C12H22N2O2)n since there is no set way to balance it

wildfyr:
You get HCl and SO2. DMF is only a catalyst it is not consumed.

rolnor:
You dont need DMF, just reflux the acid in excess thionylchloride for 1 hour and distill or just evaporate.

https://en.m.wikipedia.org/wiki/Acyl_chloride

Borek:

--- Quote from: yay on June 09, 2019, 09:11:11 PM ---Also, using stochiometry for the reaction:

C6H8Cl2O2 + C6H16N2  :rarrow: (C12H22N2O2)n

for example, knowing that you have 5.85 g of C6H8Cl2O2, how would u determine the amount of (C12H22N2O2)n since there is no set way to balance it
--- End quote ---

There are byproducts that you have left out.

In general polymerization equations can be definitely balanced with n - and that will allow calculation of the mass ratio of the polymer to the monomer.

rolnor:
You can buy adipoyl chloride:
https://www.sigmaaldrich.com/catalog/search?term=Adipoyl+chloride&interface=Product%20Name&N=0+&mode=mode%20matchpartialmax&lang=en&region=SE&focus=productN=0%20220003048%20219853286%20219853235

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