Scarlet GN, or C.I. Food Red 2, FD&C Red No. 4, or C.I. 14815 is a red azo dye once used as a food dye. As a food additive, it has the E number E125. It is usually used as a disodium salt.
Red Dye No. 4 is banned by the US Food and Drug Administration after it is discovered that it causes tumors in the bladders of dogs.
On September 22, in the year 1976, Red Dye No. 4 is banned by the US Food and Drug Administration after it is discovered that it causes tumors in the bladders of dogs. This event is recorded as a Historical Events event in the history of September 22, one of 440 recorded events on this date across all of history.
Key Facts
- This event took place on September 22, 1976 (AD era).
- It is categorised as a Historical Events event in recorded history.
- Referenced in 2 Wikipedia articles.
- Wikipedia source last updated on 10 May 2026.
On This Date in History 440
This article draws on content from Wikipedia, available under CC BY-SA 4.0.
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