In 1856, William Henry Perkin was trying to solve a medical problem. The 18-year-old chemistry student hoped to make quinine, then one of the most effective treatments for malaria. His experiments failed, but they led to the discovery of a striking purple dye that would become a commercial success and help transform the chemical industry.

Quinine came from the bark of the South American cinchona tree, making its supply costly and limited. August Wilhelm Hofmann, head of London’s Royal College of Chemistry, saw the prospect of producing it synthetically as both a scientific and commercial opportunity. Perkin took up the challenge during the Easter holidays, working in a small laboratory at his London home.

After an unsuccessful attempt using allyltoluidine, Perkin tried aniline. The reaction left him with a dark mass that seemed useless. But when he treated it with alcohol, it produced a purple solution that dyed silk with unusual intensity. He had not made quinine, but he had found a dye that could be manufactured without relying on traditional natural sources.

Before Perkin’s discovery, textile makers depended on dyes from plants, insects and other organisms. Some colors, including Tyrian purple, were especially expensive to produce. Perkin’s new dye offered a bright alternative. It worked best on silk at first, but he later developed a tannic-acid treatment to help it dye cotton.

Perkin patented the discovery in August 1856. Although Hofmann disapproved of his decision to leave academic work for manufacturing, Perkin received support from his father, a construction businessman. In 1857, he opened a factory at Greenford Green, near London, to produce the dye commercially.

The color arrived as lilac and purple shades were fashionable among wealthy women. Empress Eugénie, wife of Napoleon III, helped make the palette popular in Paris. British textile manufacturers were initially cautious, but adoption in France in late 1858 helped spark a mauve craze that later spread to London. First called aniline purple and sold as mauve, the dye was given the scientific name mauveine in 1863.

Perkin’s success showed that industrial waste, including coal-tar compounds, could be turned into valuable new products. Other synthetic dyes soon followed, and the industry helped establish a model for industrial research. While Britain had pioneered the trade, Germany later took the lead through greater investment in research, chemical education and technology.

Perkin sold his company at 36 and returned to research. He received the first Perkin Medal in 1906 for his contributions to industrial chemistry. The structure of mauveine was not clarified until the 1990s, and later analyses identified additional components in the dye. His original aim of making quinine had failed, but the experiment helped establish an industry that would also have an impact on pharmaceutical production.

Sources: Xataka.