Registration Dossier

Physical & Chemical properties

Endpoint summary

Administrative data

Description of key information

Additional information

Phys.-chem. Property


 Appearance/physical state/colour

 Red solid

 Melting point/freezing point

 No melting point up to decomposition temperature >= 270°C


 1.48 g/ml

 Particle Size Distribution

 Median: 4.51 µm

 Vapour pressure

 8.51 * 10-11mmHg (calculated)

 Partition coefficient

 log pow = 2.5

 Water solubility

 9.80 µg/l

 Solubility in organic solvents

 3.31 mg/l (n-octanol)

 Auto flammability

 >= 270°C


 Combustion class no 2 (catches fire briefly and estinguishes)


 Test not required due to low exothermic decomposition energy and onset of exothermic decomposition

 Oxidising properties

 No indication of oxidising properties due to chemical structure

 Stability in organic solvents

 Stable in DMSO and sesame oil for 72 h at room temperature

 Dissociation constant

 No potential for dissociation due to chemical structure

 Minimum ignition energy (MIE)

 30 mJ < MIE < 100 mJ (with and without inductive resistance)

 Boiling point, surface tension, flash point, viscosity

 Tests not required since substance

- decomposes before melting

- is a solid

- has water solubility < 1 mg/l