Names | |
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IUPAC name diazanium;selenate | |
Other names Diammonium selenate | |
Identifiers | |
3D model (JSmol) | |
ChemSpider | |
ECHA InfoCard | 100.029.077 |
EC Number |
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PubChem CID | |
UNII | |
CompTox Dashboard (EPA) | |
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Properties | |
H8N2O4Se | |
Molar mass | 179.045 g·mol−1 |
Appearance | white crystals |
Density | 2.194 g/cm3 |
soluble | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). |
Ammonium selenate is a chemical compound with the chemical formula (NH4)2O4Se. [1] [2]
Synthesis is via a reaction of selenic acid with an excess of ammonium hydroxide. [3]
It may also be formed by the effect of an ammonia solution on a solution of selenic acid:
Ammonium selenate forms white crystals of monoclinic system, spatial group C2/m, cell parameters a = 12.152, b = 6.418, c = 7.711, β = 115.5° Z = 4 and density 2.190 Mgm−3. [4]
It is easily soluble in water. [5] Soluble in EtOH and acetone. [6]