Experiment 3.
In this case an excess of ortho toluidine was used. The red dyestuff was formed in great amount and very easily. The temperature was kept below 195 to lose none of the toluidine which boiled at 199.
In this case an excess of ortho toluidine was used. The red dyestuff was formed in great amount and very easily. The temperature was kept below 195 to lose none of the toluidine which boiled at 199.