This dye is frequently found in cough syrup; those who ingest large quantities of syrup containing DXM may find that tartrazine aggravates robo itch.
Tar"tra*zine (?), n. [Tartaric + hydrazine.] Chem.
An artificial dyestuff obtained as an orange-yellow powder, and regarded as a phenyl hydrazine derivative of tartaric and sulphonic acids.
© Webster 1913.
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