Registration Dossier

Physical & Chemical properties

Endpoint summary

Administrative data

Description of key information

Additional information

The test material, 1,3-bis(3-methyl-2,5-dioxo-1H-pyrrolinylmethyl)benzene, was subjected to a series of tests designed to investigate its physico-chemical properties:

- Appearence: white lumpy pastilles

- Melting range: 83.0 to 87.0 °C

- Boiling point: >280 °C at 1013 hPa

- Relative density (D4/22): 1.269

- Vapour pressure: 0.00005 Pa at 25 °C

- Surface tension: 65.2 mN/m at 29.6 mg/L and 69.5 mN/m at 14.0 mg/L

- Water solubility: 40.8 mg/L at 20 °C

- Fat solubility: 1.00 g/100 g of fat at 37 °C

- Partition coefficient: Log Kow : 2.22 (equivalent Kow = 167) at 20 °C

- Flash point: closed cup >360 °C, open cup 257 °C, fire point 284 °C

- Flammability of solids: non flammable (sample melted)

- Explosive properties: non explosive

- Auto-flammability of solids: no self ignition prior to melting (83 °C)

- Oxidising properties: non oxidising