Difference between revisions of "Tetraamine copper(II) complex"

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[[File:Copper complexes.JPG|thumb|240x240px|Left: [[Copper(II) chloride]] solution, Center: Precipitate of [[copper oxychloride]] after the addition of ammonia, Right: More ammonia was added, dissolving the precipitate and forming the tetraamine copper(II) complex.]]
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[[File:Copper complexes.jpg|thumb|240x240px|Left: [[Copper(II) chloride]] solution, Center: Precipitate of [[copper oxychloride]] after the addition of ammonia, Right: More ammonia was added, dissolving the precipitate and forming the tetraamine copper(II) complex.]]
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The '''tetraammine copper(II) complex, '''also called the cuprammonium complex,''' '''is an ionic complex of copper with the formula [Cu(NH<sub>3</sub>)<sub>4</sub>(H<sub>2</sub>O)<sub>2</sub>]<sup>2+</sup>. It has an intense ultramarine blue coloration to the naked eye but when portayed digitally is somewhat muted in color. It is formed by the addition of [[ammonia]] to solutions of copper(II) ions, or by dissolving basic copper compounds in aqueous ammonia. The ion is the main constituent of the compounds [[Schweizer's reagent]] and [[tetraammine copper(II) sulfate]], among others.
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{{Stub}}
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The '''tetraammine copper(II) complex''', also called '''the cuprammonium complex''', is an ionic complex of [[copper]] with the formula '''[Cu(NH<sub>3</sub>)<sub>4</sub>(H<sub>2</sub>O)<sub>2</sub>]<sup>2+</sup>'''.
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==Properties==
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It has an intense ultramarine blue coloration to the naked eye but when portrayed digitally is somewhat muted in color.
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 +
==Preparation==
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The copper-ammonia complex can be formed by the addition of [[ammonia]] to solutions of copper(II) ions, or by dissolving basic copper compounds in aqueous ammonia. The ion is the main constituent of the compounds [[Schweizer's reagent]] and [[tetraammine copper(II) sulfate]], among others.
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==Projects==
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*TACN
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*TACC
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*TACP
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*TACPs
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*Tetraaminecopper(II) sulfate
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*Dissolve cellulose
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==Handling==
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===Safety===
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The tetraamine copper(II) complex is irritant due to its ammonia. Copper is toxic to humans and much more so to aquatic life.
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===Storage===
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Depends on the individual amine copper complex.
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===Disposal===
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Treat like any other soluble copper compound.
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==Gallery==
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<gallery widths="200" position="center" columns="4" orientation="none">
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Tetraaminecopper(ii)_nitrate.jpg|Tetraamincopper(II)-nitrate (still wet)
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Tetraaminecopper(ii)_sulfate_monohydrate.jpg|Tetraamincopper(II)-sulfate (monohydrate)
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TACN_TACS.jpg|Color comparison between the two salts
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</gallery>
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==See also==
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*[[Schweizer's reagent]]
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==References==
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<references/>
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===Relevant Sciencemadness threads===
  
 
[[Category:Chemical compounds]]
 
[[Category:Chemical compounds]]
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[[Category:Copper compounds]]
 
[[Category:Copper compounds]]
 
[[Category:Coordination complexes]]
 
[[Category:Coordination complexes]]
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[[Category:Copper complexes]]
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[[Category:Irritants]]

Latest revision as of 12:01, 3 July 2019

Left: Copper(II) chloride solution, Center: Precipitate of copper oxychloride after the addition of ammonia, Right: More ammonia was added, dissolving the precipitate and forming the tetraamine copper(II) complex.
Stub.png This article is a stub. Please help Sciencemadness Wiki by expanding it, adding pictures, and improving existing text.

The tetraammine copper(II) complex, also called the cuprammonium complex, is an ionic complex of copper with the formula [Cu(NH3)4(H2O)2]2+.

Properties

It has an intense ultramarine blue coloration to the naked eye but when portrayed digitally is somewhat muted in color.

Preparation

The copper-ammonia complex can be formed by the addition of ammonia to solutions of copper(II) ions, or by dissolving basic copper compounds in aqueous ammonia. The ion is the main constituent of the compounds Schweizer's reagent and tetraammine copper(II) sulfate, among others.

Projects

  • TACN
  • TACC
  • TACP
  • TACPs
  • Tetraaminecopper(II) sulfate
  • Dissolve cellulose

Handling

Safety

The tetraamine copper(II) complex is irritant due to its ammonia. Copper is toxic to humans and much more so to aquatic life.

Storage

Depends on the individual amine copper complex.

Disposal

Treat like any other soluble copper compound.

Gallery

  • Tetraamincopper(II)-nitrate (still wet)

  • Tetraamincopper(II)-sulfate (monohydrate)

  • Color comparison between the two salts

See also

References

Relevant Sciencemadness threads

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