Hydrolysis with baryta water gives acetic and salicylic acids.
Salicylo-salicylic acid O.
Salicylic Acid >>
It is a crystalline solid, which melts at 30° C. and boils at 190 8° C. Fusion with alkalis converts it into salicylic acid.
The more important of those in use to-day are carbolic acid, the perchloride and biniodide of mercury, iodoform, formalin, salicylic acid, &c. Carbolic acid is germicidal in strong solution, inhibitory in weaker ones.