So I am Making a co crystal between an NDI(Naphthalene Diimide ) derivative and Naphthalene in NMP solvent so the problem iam facing is that the sol?

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Ping Wu

Hi there,

Vacuum filtration will help remove excess solvent, but for co-crystal formation, slow evaporation or cooling is more effective. If it's been a few days, try adjusting temperature or adding a co-former to encourage crystallization. Hope this helps!

Sreeram Prakash

Thankyou for your insight Ping Wu.