Mercurous oxide，black manufacturers and suppliers

Mercurous oxide，black suppliers

Mercurous oxide，black

CAS:: 15829-53-5

MF:: Hg2O

MW:: 417.1794

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Properties

Melting point:: decomposes at 100℃ [HAW93]

Density: 9.8

solubility: insoluble in H2O; soluble in HNO 3

form: prob mixture of HgO+Hg

color: prob mixture of HgO+Hg

Water Solubility: insoluble H2O; soluble HNO3; reacts with HCl to form calomel, Hg2Cl2 [MER06]

Safety Information

RIDADR: 1641

HazardClass: 6.1(a)

PackingGroup: II

Use

Mixtures of Mercurous oxide，black with barium oxide react vigorously with hydrogen sulfide in air. Explosions may result [Mellor 10:140. 1946-47]. Dissolves in nitric acid. Reacts with hydrochloric acid to give insoluble mercurous chloride (calomel). Contact of the metal oxide caused the explosive decomposition of hydrogen peroxide [Bretherick 5th ed., 1995]. Mixtures with phosphorus or sulfur explode by impact and friction respectively, [Mellor, 1940, Vol. 4, 77].

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