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Otto Unverdorben

Otto Unverdorben

Overview
Otto Unverdorben (October 13, 1806 - November 28, 1873) was a German chemist
Chemist
A chemist is a scientist trained in the science of chemistry. Chemists study the composition of matter and its properties such as density, acidity, size and shape. Chemists carefully describe the properties they study in terms of quantities, with detail on the level of molecules and their component...

 and merchant who was born in Dahme/Marke
Dahme, Brandenburg
Dahme is a town in the Teltow-Fläming district of Brandenburg, Germany. It is situated on the Dahme River, 30 km southeast of Luckenwalde, and 38 km west of Lübbenau....

. After completing his schooling in Dresden
Dresden
Dresden is the capital city of the Free State of Saxony in Germany. It is situated in a valley on the River Elbe. The Dresden conurbation is part of the Saxon Triangle metropolitan area....

, he studied chemistry
Chemistry
Chemistry is the science concerned with the composition, behavior, structure, and properties of matter, as well as the changes it undergoes during chemical reactions...

 at Halle
Halle, Saxony-Anhalt
Halle is the largest city in the German State of Saxony-Anhalt. It is also called Halle an der Saale in order to distinguish it from Halle in North Rhine-Westphalia...

, Leipzig
Leipzig
Leipzig is, with a population of 515,459, the largest city in the federal state of Saxony, Germany.-Origins:Leipzig's name is derived from the Slavic word Lipsk, which means "settlement where the lime trees stand"....

 and Berlin
Berlin
Berlin is the capital city and one of sixteen states of Germany. With a population of 3.4 million within its city limits, Berlin is Germany's largest city. It is the second most populous city and the eighth most populous urban area in the European Union...

.

In 1826 at the age of 20, Unverdorben discovered aniline
Aniline
Aniline, phenylamine or aminobenzene is an organic compound with the formula C6H7N. It is the simplest and one of the most important aromatic amines, being used as a precursor to more complex chemicals. Its main application is in the manufacture of polyurethane...

, which he obtained from the distillation of natural vegetable indigo
Indigo dye
Indigo dye is an organic compound with a distinctive blue color . Historically, indigo was extracted from plants, and this process was important economically because blue dyes were once rare. Nearly all indigo produced today - several thousand tons each year - is synthetic...

. He called his discovery Crystallin. Aniline is important in the manufacture of dyes, plastics, and pharmaceuticals.
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Encyclopedia
Otto Unverdorben (October 13, 1806 - November 28, 1873) was a German chemist
Chemist
A chemist is a scientist trained in the science of chemistry. Chemists study the composition of matter and its properties such as density, acidity, size and shape. Chemists carefully describe the properties they study in terms of quantities, with detail on the level of molecules and their component...

 and merchant who was born in Dahme/Marke
Dahme, Brandenburg
Dahme is a town in the Teltow-Fläming district of Brandenburg, Germany. It is situated on the Dahme River, 30 km southeast of Luckenwalde, and 38 km west of Lübbenau....

. After completing his schooling in Dresden
Dresden
Dresden is the capital city of the Free State of Saxony in Germany. It is situated in a valley on the River Elbe. The Dresden conurbation is part of the Saxon Triangle metropolitan area....

, he studied chemistry
Chemistry
Chemistry is the science concerned with the composition, behavior, structure, and properties of matter, as well as the changes it undergoes during chemical reactions...

 at Halle
Halle, Saxony-Anhalt
Halle is the largest city in the German State of Saxony-Anhalt. It is also called Halle an der Saale in order to distinguish it from Halle in North Rhine-Westphalia...

, Leipzig
Leipzig
Leipzig is, with a population of 515,459, the largest city in the federal state of Saxony, Germany.-Origins:Leipzig's name is derived from the Slavic word Lipsk, which means "settlement where the lime trees stand"....

 and Berlin
Berlin
Berlin is the capital city and one of sixteen states of Germany. With a population of 3.4 million within its city limits, Berlin is Germany's largest city. It is the second most populous city and the eighth most populous urban area in the European Union...

.

In 1826 at the age of 20, Unverdorben discovered aniline
Aniline
Aniline, phenylamine or aminobenzene is an organic compound with the formula C6H7N. It is the simplest and one of the most important aromatic amines, being used as a precursor to more complex chemicals. Its main application is in the manufacture of polyurethane...

, which he obtained from the distillation of natural vegetable indigo
Indigo dye
Indigo dye is an organic compound with a distinctive blue color . Historically, indigo was extracted from plants, and this process was important economically because blue dyes were once rare. Nearly all indigo produced today - several thousand tons each year - is synthetic...

. He called his discovery Crystallin. Aniline is important in the manufacture of dyes, plastics, and pharmaceuticals. In 1829 he returned to his hometown of Dahme/Mark and became successful in the cigar
Cigar
A cigar is a tightly rolled bundle of dried and fermented tobacco that is ignited so that its smoke may be drawn into the mouth. Cigar tobacco is grown in significant quantities in Brazil, Cameroon, Cuba, Dominican Republic, Honduras, Indonesia, Mexico, Nicaragua, Sumatra, Philippines, and the...

industry.

Today the Otto-Unverdorben Dahme-Oberschule is named in his honor.