Euflavine is an

antiseptic An antiseptic (from Greek ἀντί ''anti'', "against" and σηπτικός ''sēptikos'', "putrefactive") is an antimicrobial substance or compound that is applied to living tissue/skin to reduce the possibility of infection, sepsis, or putre ...

and disinfectant.

References

Acridines Aromatic amines Quaternary ammonium compounds {{dermatologic-drug-stub