Silver Mercuric Iodide

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Silver mercuric iodide, 7784-03-4, Ag₂HgI₄, MW 923.95 is a yellow powder that becomes red at 40 - 50 °C. Silver mercuric iodide, also known as Mercuric silver iodide, is soluble in solutions of potassium cyanide or potassium iodide and insoluble in dilute acids and water. Silver mercuric iodide is used in thermoscopy (heat/temperature detection).

General Information on Silver mercuric iodide

Item No. : S6807-25, S6807-100

CAS No. : 7784-03-4

Synonym : Mercuric Silver Iodide

Properties of Silver mercuric iodide :

Appearance/Form: Yellow powder

Formula: Ag₂HgI₄

Molecular Weight: 923.95

Solubility: Soluble in solutions of Potassium cyanide or Potassium iodide, insoluble in dilute acids and water

Other: Becomes red at 40 – 50 °C

Stock Status : Readily Available

Purity : 98%

Storage : Thermoscopic; keep in a cool, dry, well-ventilated place

Uses of Silver mercuric iodide

Thermoscopy (heat detection)

Transport Information for Silver mercuric iodide

Proper Shipping Name: Mercury compound, solid, n.o.s.

UN2025

Class: 6.1

Hazard Label: Toxic

Packing Group: II

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