white powder, slightly green from oxidized impurities

Non-flammable

1490 °C (1760 K) (decomp.)

0.0062 g/100 mL (20 °C) in water

insoluble in ethanol
acetone; soluble in concentrated HCl, NH₄OH

426 °C (703 K)

1.930

4.145 g/cm³

1.72 x 10^-7

140 mg/kg

R22,R50/53

S2,S22,S60,S61

029-001-00-4

Harmful (Xn)

Dangerous for the environment (N)

GL6990000