270 J/(kg·K)

0.140 mg/L (20 °C) in water

insoluble in alcohol, most acids
sparingly soluble in ammonia
soluble in alkali cyanide solutions

5.4 × 10 ^-13

Pale yellow solid
photosensitive

1502 °C (decomposes)

6.473 g/cm³, solid

432 °C

2.5 eV

4000 cm^2/(V·s)

2.253

107.1 J/(K·mol)

– 99.5 kJ/mol