Meta toluene sulphonic acid and related compounds

"Meta Toluene Sulphonic Acid and Related Compounds" by C. F. H. Allen is a scientific exploration originating from 1920, a time marked by progress in organic chemistry, that centers on the creation and examination of meta toluene sulfonic acid and similar substances. The work advances the field of sulfonation processes and the traits of the resulting acids. Allen looks into different ways to make meta toluene sulfonic acid, mainly by sulfonating ortho and para toluidine. The work shares previous findings, and presents experiment data aimed at separating and describing the compounds, focusing on turning ortho toluidine into its matching sulfonic acid, and the involved sulfonation of para toluidine, which creates different versions of isomeric acids. The thesis shares information on diazotization reactions and how stable the created diazo compound is, adding key ideas to the science of organic chemistry and study of toluene derivatives.