Table of Contents
What is the chemical name for Red 40?
disodium 6-hydroxy-5-((2-methoxy-5-methyl-4-sulfophenyl)azo)-2-naphthalenesulfonate
Allura Red AC/IUPAC ID
How is Red 40 made chemistry?
Red 40 is a chemical compound that comes from coal tars. Additives such as dyes made from coal tars are created by mixing various fragrant smelling hydrocarbons like benzyne and toluene.
Is Allura red the same as Red 40?
Allura Red AC is a red azo dye that goes by several names, including FD&C Red 40. It is used as a food dye and has the E number E129. It is usually supplied as its red sodium salt, but can also be used as the calcium and potassium salts. These salts are soluble in water.
What is Allura red made of?
Allura Red consisted of disodium 2-hydroxy-1-(2-methoxy-5-methyl-4-sulphonato-phenylazo)naphthalene-6-sulphonate and subsidiary coloring agents, with sodium chloride and sodium sulfate as the principal uncolored components (European Food Safety Authority [EFSA], 2012).
Is Red 40 or other Colours a molecule?
Red 40 is a somewhat more polar molecule than is blue 1. This can be explained by the sizes of the molecules. Each molecule will have a similar amount of charge from ionization, but since blue 1 is a larger molecule the resulting charge will be spread out over a larger molecule.
Is Red 40 made from petroleum?
Red Dye 40 is a synthetic food dye made from petroleum. The dye goes by several names and is commonly found in dairy products, sweets, snacks, baked goods, and beverages.
Why is Red 40 banned?
When consumers are tasting the rainbow of this popular candy, they are also ingesting food dyes Yellow 5, Yellow 6, and Red 40. These dyes have been known to have adverse effects on young children. They are banned in foods for infants in the European Union, and foods that contain the dyes must carry a warning label.
Why is Red 40 so bad?
The three most widely used culprits-Yellow 5, Yellow 6 and Red 40-contain compounds, including benzidine and 4-aminobiphenyl, that research has linked with cancer. Research has also associated food dyes with problems in children including allergies, hyperactivity, learning impairment, irritability and aggressiveness.
Is Allura Red an organic compound?
belongs to the class of organic compounds known as 2-naphthalene sulfonates. These are organic aromatic compounds that contain a naphthalene moiety that carries a sulfonic acid group at the 2-position.
Why is red dye 40 called that?
Red Dye #40 (and all FDA certified dyes) is referred to as a “Coal Tar” dye. The phrase has little meaning today but a hundred years ago it was used to describe synthetic chemicals that started out with coal tar as a precursor.