MERCUROUS IODIDE

Bright-yellow powder, becoming greenish on exposure to light due to decomposition into metallic mercury and mercuric iodide. Becomes dark yellow, orange, and orange-red on heating. Undergoes same color change in opposite order on cooling. Odorless and tas

Medicine (topical antibacterial).

Toxic by ingestion, inhalation, and skin absorption.

Poison by ingestion and intraperitoneal routes. When heated to decomposition it emits very toxic fumes of Hg and I-. See also MERCURY and IODIDES.