Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

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