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Home > C.I. 47005 (Molecule of the Month for September 2007)

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C18 H12 N Na O5 S

Quinoline yellow is a yellow food dye. It is more commonly known as E104 in terms of E numbers. It is used as a pigment for tattoos.

It is a food colorant that induces a dull yellow, or greenish yellow colour. It can be found in ices, cough sweets, scotch eggs and smoked haddock.

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.

Formal Chemical Name (IUPAC)
sodium 2-(1,3-dioxo-2,3-dihydro-1H-inden-2-yl)-1,4-dihydroquinoline-6-sulfonate

References

http://en.wikipedia.org/wiki/Quinoline_Yellow_WS

http://news.bbc.co.uk/1/hi/health/6979976.stm

Update by Karl Harrison
(Molecule of the Month for September 2007 )