I need to use toluene with very low water percent (Anhydrous) in a reaction and I wanna to know that toluene produced by Merck is suitable or not?
Toluene web address is:
https://www.merckmillipore.com/US/en/product/Toluene,MDA_CHEM-108325#anchor_TI
The page does not state that the toluene is anhydrous so I would assume that it is not suitable for you process. However, here is a simple method to create anhydrous toluene using 3 A molecular sieves:
http://ccc.chem.pitt.edu/wipf/Web/Solvent_Drying.pdf
First of all, find out what is the level of water that your reaction can tolerate. Then determine how much water you have in the solvent (KF titiration). With these data, you will know whether you need to dry the solvent or not. Toluene is easy to dry e.g. azeotropic distillation.
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