Allura red AC is a naphthalenesulfonic acid. It is a red azo dye and was initially introduced in the United States as a substitute for Amaranth dye. It is used as a food dye and has the E number E129. It is typically provided as its red sodium salt, but it can also be used as the calcium and potassium salts.
|Name of Product||Allura Red|
|Synonyms||Allura Red AC; Food Red No. 40; C.I. Food Red 17; Curry red; FD&C Red No. 40; Fancy Red|
|Color Index No||16035|
|1||Appearance (form)||Solid Powder|
|2||Appearance (color)||Dark Red to Maroon|
|3||Melting Point||> 300 °C (572 °F; 573 K)|
|4||Solubility||Soluble in Water, Glycerol and Propylene Glycol
|5||Log P||log Kow = -0.55 (estimated)|
|6||Decomposition||When heated to decomposition, it emits very toxic fumes of nitrogen and sulfur oxides|
Q. Is Allura Red AC polar?
Allura Red AC dye is polar in nature.
Q. Is Allura Red bad for you?
Presently, no health concerns have been reported as such with the use of Allura Red dye. Hence, it is considered relatively safe for use.
Q. Is Allura Red vegan?
Allura Red dye is vegan because it is not animal-derived.
Q. What is Allura Red made from?
Allura Red AC dye is manufactured by coupling diazotized 5-amino-4-methoxy-2-toluenesulfonic acid with 6-hydroxy-2-naphthalene sulfonic acid in an azo coupling reaction.
Q. Is Allura Red banned in the UK?
For safety reasons, the United Kingdom and Switzerland have banned the use of Allura Red (Red 40).
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