Page 27 - Encyclopedia of Chemical Compounds 3 Vols

Timeline of the Development of Chemical Compounds

1818 • Hydrogen peroxide is discovered by French chemist
Louis Jacques The ´nard.

1819 • French naturalist Henri Braconnot discovers cellulose.
1825 • British chemist and physicist Michael Faraday dis-
covers ‘‘bicarburet of hydrogen,’’ which is later called
benzene.

1830 • Peregrine Phillips, a British vinegar merchant from
England, develops the contact process for making sulfu-
ric acid. In the early 21st century it is still the most
common way to make sulfuric acid.
1831 • Chloroform is discovered almost simultaneously by
American, French, and German chemists. Its use as an
anesthetic is discovered in 1847.
1831 • Beta-carotene is first isolated by German chemist Hein-
rich Wilhelm Ferdinand Wackenroder.
1834 • Cellulose is first isolated and analyzed by French bota-
nist Anselme Payen.
1835 • Polyvinyl chloride is first discovered accidentally by
French physicist and chemist Henry Victor Regnault.
PVC is rediscovered (again accidentally) in 1926.

1823
1819 1820 U.S. president
U.S. acquires The Missouri James Monroe 1831
Florida from Compromise proclaims the Cyrus McCormick’s
Spain. is enacted. Monroe Doctrine. reaper is introduced.
. . . .

1810 1820 1830

xxvi CHEMICAL COMPOUNDS