Chemistry
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Umbelliferone
Umbelliferone, also known as 7-hydroxycoumarin, hydrangine, skimmetine, and beta-umbelliferone, is a natural product of the coumarin family. It absorbs ultraviolet light strongly at several wavelengths. There are some indications that this chemical is antimutagenic, it is used in sunscreens. Umbelliferone has been… Read more.
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5-Nitro-2-propoxyaniline, aka P-4000 and Ultrasüss, banned artificial sweetener
5-Nitro-2-propoxyaniline, also known as P-4000 and UltrasĂĽss, is about 4,000 times the intensity of sucrose (hence its alternate name, P-4000). It is an orange solid that is only slightly soluble in water. It is stable… Read more.
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Dulcin, Toxic Artificial Sweetener About 250 Times Sweeter Than Sugar
Dulcin is an artificial sweetener about 250 times sweeter than sugar, discovered in 1883 by the Polish chemist JĂłzef (Joseph) Berlinerblau (27 August 1859 – 1935). It was first mass-produced about seven years later. Although… Read more.
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Chemistry: A Volatile History
Chemistry: A Volatile History is a 2010 BBC documentary on the history of chemistry presented by Jim Al-Khalili. It was nominated for the 2010 British Academy Television Awards in the category Specialist Factual. Episode 1: Discovering the Elements… Read more.
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Calcination
Calcination is thermal treatment of a solid chemical compound (e.g. mixed carbonate ores) whereby the compound is raised to high temperature without melting under restricted supply of ambient oxygen (i.e. gaseous O2 fraction of air), generally for the… Read more.
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Joseph Priestley
JOSEPH PRIESTLEY 1733-1804 English chemist, natural philosopher, separatist theologian, grammarian, multi-subject educator, globetrotter, liberal political theorist and discoverer of oxygen read about Pristley at wikipedia Priestley is credited with the… Read more.
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Food Coloring Wiki List
 A B C D E F G I J K L M O P Q R S T V Y Z Read more.
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Tetralin
Tetralin (1,2,3,4-tetrahydronaphthalene) is a hydrocarbon having the chemical formula C10H12. It is a partially hydrogenated derivative of naphthalene. It is a colorless liquid that is used as a hydrogen-donor solvent. Production Tetralin is produced by the catalytic hydrogenation of… Read more.
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Naphthenic acid
Naphthenic acids (NAs) are a mixture of several cyclopentyl and cyclohexyl carboxylic acids with molecular weight of 120 to well over 700 atomic mass units. The main fraction are carboxylic acids with a carbon backbone of… Read more.
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