- an iridescent green, water-soluble powder, C20H8Br2HgNa2O6, that forms a red solution when dissolved in water: used as an antiseptic and as a germicide.
- a green iridescent crystalline compound that forms a red solution in water: used in medicine as an antiseptic. Formula: C 20 H 8 Br 2 HgNa 2 O 6
