FD&C Red No. 40

noun

A color additive composed principally of Allura Red AC; a petroleum-derived synthetic food coloring widely used in U.S. foods, cosmetics, and medications.

Similar
Allura Red ACE129Red 40
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Meanings

noun
  1. dyes; FD&C code; dyes; FD&C codeA color additive composed principally of Allura Red AC; a petroleum-derived synthetic food coloring widely used in U.S. foods, cosmetics, and medications.

    Red dye No. 40: red 40, FD&C Red No. 40 or Allura Red AC

    2025 March 29, Kristen Rogers, “Over half of US states are trying to eliminate food dyes. Here’s what you can do now”, in CNN

    Synonyms: Allura Red AC, E129, Red 40, red 40

Synonyms & antonyms

nounA color additive composed principally of Allura Red AC; a petroleum-derived synthetic food coloring widely used in U.S. foods, cosmetics, and medications.

Similar
Allura Red ACE129Red 40red 40
Also see
red dye 40
Cite this entry
APA

FD&C Red No. 40. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/FD%26C%20Red%20No.%2040

MLA

“FD&C Red No. 40.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/FD%26C%20Red%20No.%2040. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “FD&C Red No. 40,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/FD%26C%20Red%20No.%2040.

Source: FD&C Red No. 40 on Wiktionary, CC BY-SA 4.0.