Learn Glossary colorant

Fd And C Blue No. 2(E132)

Level 4Significant concernsIn Winter's Dictionary

Fd And C Blue No. 2 is a colorant — Royal blue coal-tar coloring

Also: Indigotin, Indigo Carmine

What it does

Royal blue coal-tar coloring

Where you'll see it

Bottled soft drinks, bakery, cereals, candy, mint-flavored jelly, frozen desserts

What the research says

Sensitizer in allergic individuals. Produces malignant tumors at injection site when introduced under rat skin.

Regulatory status

  • US FDA: ASP
  • EU: approved
  • Notes: WHO toxicology rating B (data not sufficient); permanently listed for foods/drugs 1987

Sources

  • A Consumer's Dictionary of Food Additives (Winter): Produces malignant tumors at the site of injection when introduced under the skin of rats