Ammonium perrhenate
| Names | |
|---|---|
| Other names
Ammonium perrhenate, Ammonium perrhenate(VII) | |
| Identifiers | |
3D model (JSmol) |
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| ChemSpider | |
| ECHA InfoCard | 100.033.690 |
| EC Number |
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PubChem CID |
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CompTox Dashboard (EPA) |
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| Properties | |
| NH4ReO4 | |
| Molar mass | 268.2359 g/mol |
| Density | 3.97 g/cm3, solid |
| Melting point | 200°C (decomposes) |
| 2.8 g/100 mL (0 °C), 6.2 g/100 mL (20 °C), 12.0 g/100 mL (40 °C), 20.7 g/100 mL (60 °C), 32.3 g/100 mL (80 °C), 39.1 g/100 mL (90 °C) | |
| Structure | |
| scheelite | |
| N/A | |
| Hazards | |
| Flash point | Non-flammable |
| Related compounds | |
Other anions |
Ammonium permanganate; ammonium pertechnetate |
Other cations |
Sodium perrhenate; perrhenic acid |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |
Ammonium perrhenate (APR) is the ammonium salt of perrhenic acid, NH4ReO4. It is the most common form in which rhenium is traded. It is a white salt; soluble in ethanol and water, and mildly soluble in NH4Cl. It was first described soon after the discovery of rhenium.