Ammonium Dichromate - Introduction
Ammonium Dichromate (NH4)2Cr2O7 is a orange-red crystalline inorganic compound.
Ammonium Dichromate is also known as Vesuvian Fire, because when heaped and ignited it burns with the appearance of a volcano. It is also known as Ammonium Bichromate and Ammonium Pyrochromate.
Molecular formula: (NH4)2Cr2O7
Molar mass: 252.07 g/mol
Appearance: Orange-red crystals
Density: 2.115 g/cm3
Melting point: 180 °C (356 °F; 453 K) decomposes
Solubility in water:
18.2 g/100ml (0 °C)
35.6 g/100ml (20 °C)
40 g/100ml (25 °C)
156 g/100ml (100 °C)
Solubility: insoluble in acetone, soluble in alcohol
Ammonium Dichromate - Images
Crystalline Structural Formula Vesuvian Fire