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Azorubine

Azorubine

Other names	carmoisine, Food Red 3, Azorubin S, Brillantcarmoisin O, Acid Red 14, or C.I. 14720
Identifiers
CAS number	3567-69-9
EINECS number	217-699-5
SMILES	OC(C(C=CC=C4)=C4 C(S(=O)([O-])=O)=C3) =C3N=NC1=CC=C (S(=O)([O-])=O) C2=C1C=CC=C2
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references

Azorubine, carmoisine, Food Red 3, Azorubin S, Brillantcarmoisin O, Acid Red 14, or C.I. 14720 is a synthetic red food dye from the azo dye group. It usually comes as a disodium salt. It is a red to maroon powder. It is used for the purposes where the food is heat-treated after fermentation. It has E number E122. Some of the foods it can be present in are blancmange, marzipan, Swiss roll, jams, preserves, yoghurts, jellies, breadcrumbs, and cheesecake mixes. It is also present in Oraldene Mouthwash.

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It appears to cause allergic or intolerance reactions, particularly amongst those with an aspirin intolerance. Other reactions can include a rash similar to nettle rash and skin swelling. Asthmatics sometimes react badly to it.

It is one of the colourants that the Hyperactive Children's Support Group recommends be eliminated from the diet of children.

A study commissioned by the UK's Food Standards Agency found that when used in a mixture of other preservatives, increased levels of hyperactivity in children were observed.^[1]

Azorubine is commonly used in the UK, but it is a prohibited food additive in Canada, Japan, Norway, Sweden and the United States.^[2]