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13464-82-9
In2（SO4）3
49160800PD
99.99%-99.999 %
- 100 mesh-325mesh
236-689-1
Characteristic
Indium(III) sulfate (In2(SO4)3) is a sulfate salt of the metal indium. As a solid indium sulfate can be anhydrous, or take the form of a pentahydrate with five water molecules[9] or a nonahydrate with nine molecules of water.
Chemical formula：In2(SO4)3
Molar mass：517.81 g/mol
Appearance：white-gray odorless powder, hygroscopic, monoclinic crystals
Density：3.44 g/cm3, solid
Melting point：decomposes at 600 °C
Solubility in water：soluble, (539.2 g/L at 20 °C)
Crystal structure：monoclinic
Application
Indium sulfate is a commercially available chemical. It can be used to electroplate indium metal, as a hardening agent in gold electroplating or to prepare other indium containing substances such as copper indium selenide. It has been sold as a health supplement, even though there is no evidence of benefit to humans, and it is toxic.
The first high-frequency transistor was the surface-barrier germanium transistor developed by Philco in 1953, capable of operating up to 60 MHz. These were made by etching depressions into an N-type germanium base from both sides with jets of indium sulfate until it was a few ten-thousandths of an inch thick. Indium electroplated into the depressions formed the collector and emitter.
Characteristic
Indium(III) sulfate (In2(SO4)3) is a sulfate salt of the metal indium. As a solid indium sulfate can be anhydrous, or take the form of a pentahydrate with five water molecules[9] or a nonahydrate with nine molecules of water.
Chemical formula：In2(SO4)3
Molar mass：517.81 g/mol
Appearance：white-gray odorless powder, hygroscopic, monoclinic crystals
Density：3.44 g/cm3, solid
Melting point：decomposes at 600 °C
Solubility in water：soluble, (539.2 g/L at 20 °C)
Crystal structure：monoclinic
Application
Indium sulfate is a commercially available chemical. It can be used to electroplate indium metal, as a hardening agent in gold electroplating or to prepare other indium containing substances such as copper indium selenide. It has been sold as a health supplement, even though there is no evidence of benefit to humans, and it is toxic.
The first high-frequency transistor was the surface-barrier germanium transistor developed by Philco in 1953, capable of operating up to 60 MHz. These were made by etching depressions into an N-type germanium base from both sides with jets of indium sulfate until it was a few ten-thousandths of an inch thick. Indium electroplated into the depressions formed the collector and emitter.
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