Allura Red comprises disodium 2-hydroxy-1-nephthalene-6-sulfonate and is supported by subsidiary coloring matters in combination with sodium chloride/sodium sulfate as principal uncolored component. As a sodium salt, the organic compounds other than coloring matters it contains include 6-hydroxy-2-naphthalene sulfonic acid, sodium salt (Not more than 0.3%); 6,6-oxybis disodium salt (Not more than 0.1%) and 4-amino-5-methoxy-2-methylbenzene sulfonic acid (Not more than 0.2%).