The disodium salt of disulphonic acid.

A synthetic 'coal tar' dye varying in colour between a dull yellow and greenish-yellow. Found in ices, scotch eggs and smoked haddock.

FD&C Yellow No.10; used in lipsticks hair products, colognes; also in a wide range of medications; may cause dermatitis.

Not recommended for consumption by children.

Whilst being a commonly used colour in the UK its use is banned in Australia, Japan, Norway and the United States.