Silver oxide Chemical Properties

Melting point:

100 °C

Density 

7.483 g/mL at 25 °C

solubility 

soluble in alkaline solutions; reacts with acid solutions

form 

Powder

Specific Gravity

7.483

color 

Gray to black

Water Solubility 

INSOLUBLE

Sensitive 

Moisture & Light Sensitive

Merck 

14,8522

crystal system

Monoclinic

Space group

P21/c

Lattice constant

a/nm	b/nm	c/nm	α/o	β/o	γ/o	V/nm3
0.585	0.348	0.55	90	107.5	90	0.1068

CAS DataBase Reference

1301-96-8(CAS DataBase Reference)

EPA Substance Registry System

Silver(II) oxide (1301-96-8)

Safety Information

Hazard Codes 

O,Xi,C

Risk Statements 

8-36/37/38-34

Safety Statements 

26-45-36/37/39-17

RIDADR 

UN 1479 5.1/PG 2

WGK Germany 

3

TSCA 

Yes

HazardClass 

5.1

PackingGroup 

II

HS Code 

28432900

MSDS

• Language:English Provider:Silver(II) oxide
• Language:English Provider:ACROS
• Language:English Provider:SigmaAldrich
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Silver oxide Usage And Synthesis

Physical Properties

Gray monoclinic or cubic crystals or powder; diamagnetic; semiconductor; density 7.48 g/cm3; decomposes to its elements above 100°C; insoluble in water (solubility 27 mg/L at 25°C); soluble in alkalis; decomposes in ammonia solution evolving nitrogen; dissolves in dilute acids with decomposition evolving oxygen; forms a brown solution in concentrated nitric acid, and forms intense green coloration in concentrated sulfuric acid.

Uses

Silver(II) oxide is used to make silver oxide-zinc alkali batteries. Also, it is an oxidizing agent.

Preparation

Silver(II) oxide is prepared by reacting silver nitrate with potassium persulfate in the presence of a base.

Chemical Properties

grey to black powder

Uses

Silver(II) oxide is used to make silver oxide-zinc alkali batteries. It is also used as a reagent in laboratory reactions and forms transition metal-carbene complexes. It is also used as a catalyst to prepare silver metal. It acts as an effective carbon dioxide scrubber and used in nuclear submarines, the international space station and space shuttles. Further, it is used in the manufacture of filters for gas sensors and in some infection-resistant surgical fabric materials and fibrous textile articles. In addition to this, it is used in concrete and in some swimming pools to protect the water from undesired microbes.

Uses

In the manufacture of silver oxide-zinc alkali batteries.

Purification Methods

Silver (II) oxide [1301-96-8] M 123.9, m > 1 0 0o(dec), 7.22. It is soluble in 40,000 parts of H2O, and should be protected from light. Stir it with an alkaline solution of potassium peroxysulfate (K2S2O8) at 85-90o. The black AgO is collected, washed free from sulfate with H2O made slightly alkaline and dried in air in the dark. [Hammer & Kleinberg Inorg Synth IV 12 1953.]

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