Comparing E102 - Tartrazine vs E132 - Indigotine

Synonyms
E102
Tartrazine
Yellow 5
Yellow number 5
Yellow no 5
Yellow no5
FD&C Yellow 5
FD&C Yellow no 5
FD&C Yellow no5
FD and C Yellow no. 5
FD and C Yellow 5
Yellow 5 lake
E132
Indigotine
indigo carmine
FD&C Blue 2
FD and C Blue 2
C.I. Food Blue 2
Blue 2 lake
Blue 2
Functions
Products

Found in 23,316 products

Found in 4,234 products

Search rank & volume
#7732.7K / mo🇺🇸U.S.
#2053.7K / mo🇺🇸U.S.
Awareness score

×0.20
under-aware

×0.13
under-aware

Search volume over time

Interest over time for 12 keywords in U.S. during the last 10 years.

Interest over time for 8 keywords in U.S. during the last 10 years.

Popular questions
  1. Is yellow 5 bad for you?

    At permitted food-use levels, tartrazine (FD&C Yellow 5) is considered safe by regulators (ADI up to 7.5 mg/kg body weight/day). A small number of people—especially those with aspirin sensitivity—may have hives or asthma-like reactions, and the EU requires a label about possible effects on activity and attention in children.

  2. What is yellow 5 made of?

    It is a synthetic azo dye: the trisodium salt of a sulfonated aromatic azo compound based on a pyrazolone ring (C.I. 19140). It is produced from petroleum-derived intermediates such as sulfonated anilines and a pyrazolone derivative.

  3. Is yellow 5 bad?

    For most consumers, no—it's approved and considered safe at typical dietary intakes. Rare hypersensitivity reactions can occur, and some children may be susceptible to small, reversible effects on behavior.

  4. What does yellow 5 do to your body?

    It primarily provides color and is largely excreted, with a small portion metabolized by gut bacteria before elimination. In sensitive individuals it can trigger hives or wheezing, and some children may experience mild, short-lived effects on activity or attention.

  5. How is yellow 5 made?

    Industrially, sulfanilic acid (or similar sulfonated anilines) is diazotized and azo-coupled to a pyrazolone derivative, then neutralized to form the trisodium salt. Lake forms are made by precipitating the dye onto an insoluble substrate such as aluminum hydroxide.

  1. Where to watch blue lock season 2?

    Indigotine (E132, also called indigo carmine or FD&C Blue No. 2) is a synthetic blue dye found in foods and drinks; look for 'E132' or its names on ingredient lists of blue-colored products.

  2. What 2 colors make blue?

    In foods, blue is typically supplied directly by Indigotine (E132) rather than mixed from other dyes; manufacturers instead mix E132 with yellow (e.g., tartrazine/E102) to make green or with red dyes to make purple.

  3. When is blue lock season 2 coming out?

    Unrelated to additives, but Indigotine (E132) is an approved food color in the US and EU with an acceptable daily intake of 5 mg/kg body weight per day.

  4. When is blue lock season 2?

    Indigotine (E132) is a water-soluble blue colorant used in beverages, confectionery, and desserts, and it also serves as a pH indicator.

  5. Where can i watch blue lock season 2?

    To find Indigotine (E132) in products, check labels of blue-colored foods for 'E132', 'Indigotine/indigo carmine', or 'FD&C Blue No. 2'.