Ammonium perrhenate
| Names | |
|---|---|
| Other names Ammonium perrhenate, Ammonium perrhenate(VII) | |
| Identifiers | |
| 3D model (JSmol) | |
| ChemSpider | |
| ECHA InfoCard | 100.033.690 | 
| EC Number | 
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| PubChem CID | |
| CompTox Dashboard (EPA) | |
| 
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| 
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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.