there is not enough solvent, 2.5 hours is too much and the temperature too high, the substance turned out to be very dirty after adding the acid.
- By SonicNL
The temp and time are right. You must have made a mistake.
- By ghostimage
28-32с, 1h40min, full reaction so i agree with you, i am a bulk manufacturer, make minimum of 15kgs in one turn, so this parameters cost me about a year of experiments, and you here give it to people, who just dont belive you....ahahahah what a lol ;(