I used dialysis membrane for the separation of reactants from product, but I learnt that DCC is insoluble in water, so it didn't emigrate to the outside. My product is also soluble in DMSO, just like the DCC, so I'm not able to separate them by filtration. I would also like to mention that I have already used the product in synthesizing nanoparticles, and it worked pretty well. But I just wanna make sure, it is acceptable to do so.