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Is Ruthenium Red vegan?

Ruthenium Red

Vegan

Ruthenium Red, also known as ammoniated ruthenium oxychloride, is an inorganic coordination compound used as a histological dye to stain aldehyde-fixed mucopolysaccharides. It is applied in electron microscopy and cell biology research.

Also known as Ammoniated Ruthenium Oxychloride
CAS number 11103-72-3
CI number CI 77800
Last reviewed 3 June 2026

Sources

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