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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Disperse Red 302 is a dark red powder. The melting point of the Disperse Red 302 was determined to be 175 °C. The boiling point could not be detected up to decomposition temperature (thermic decomposition at 320 °C). The density at 20 °C was determined to be 1.9540 g/cm³. The vapour pressure was determined to be 1.46 10-9 Pa. The partition coefficient n-octanol/water (log Pow) of the test item at 20 °C was determined to be 6.39. The water solubility at a temperature of 20 °C was determined to be 0.224 μg/l. The surface tension could not be determined as it is insoluble in water. The auto-ignition temperature of the test substance is >550 °C. Disperse Red 302 should be considered as not highly flammable, non-explosive, and non-oxidising.

Additional information