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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Acid Red 119 is red organic powder.

The DSC analysis showed release of water between 56-119 °C followed by substance decomposition between 254-347°C. The decomposition onset is 290.5°C with an enthalpy energy equal to 273.9 J/g.


The particle size distribution of Acid Red 119 was analyzed using the Mastersizer 2000 tool and the D50 resulted 19.808 µm (REACH&Colours Kft, 2015).

Acid Red 119 is a soluble substance in water (9.06 g/l at 20 °C) and logPow was calculated as -1.4987, showing a greater affinity with the water phase, than the octanol phase (REACH&Colours Kft, 2015).

The relative density of the substance, analyzed by means of pycnometer method, is 1.462 at 20 °C (REACH&Colours Kft, 2015).

Acid Red 119 is not flammable and non auto-flammable; the substance does not meet the criteria to be considered as explosive and it is deemed to be potentially not oxidising based on the chemical structure, the thermal behaviour, the oxygen balance values and the known experience in the handling and use of substances