Mercuric Silver Iodide

Name:
Mercuric Silver Iodide
Detailed information:

Chemistry name:	mercury silver iodide; silver mercury iodide
M Formula:	HgI2•2AgI
Properties:
Yellow powder, becomes red at 40–50C. D 6.08. Soluble in solutions of potassium cyanide or potassium iodide; insoluble in dilute acids and water.
Hazard:
Highly toxic by ingestion, inhalation, and skin absorption. TLV: TWA 0.1 mg(Hg)/m3.
Use:
Thermoscopy (detecting overheating in journal bearings).