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First wholly synthetic dye

First wholly synthetic dye
Who
Jean-Baptiste Dumas
What
First
Where
France
When
1841

The first wholly synthetic dye was picric acid (or trinitrophenol). French chemist Jean-Baptiste Dumas devised a technique that allowed the synthesis of this chemical from coal tar in 1841, and it began to be used as a dye in 1845. Pure picric acid dyes fabrics a pale canary yellow, and it was widely used in the 19th and early 20th centuries, despite it also being an extremely powerful and highly volatile explosive.