Is Phenazinium, 3,7-diamino-2,8-dimethyl-5-phenyl- vegan?

Basic Red 2 is also known as Phenazinium, 3,7-diamino-2,8-dimethyl-5-phenyl-.

Safranin O is a synthetic biological stain used in histology and cytology as a counterstain, colouring cell nuclei red. It is a classic counterstain in Gram staining and endospore staining, and is also used to detect cartilage, mucin, and mast cell granules.

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