Is Nile Red vegan?

Nile Red

Vegan

Nile Red is a synthetic lipophilic fluorescent dye derived from Nile Blue by oxidative transformation. It is used to stain intracellular lipid droplets and is highly solvatochromic, exhibiting emission colours ranging from deep red to yellow-gold depending on solvent polarity.

Also known as Nile Blue Oxazone
CAS number 7385-67-3
Last reviewed 3 June 2026

Sources

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