Registration Dossier
Registration Dossier
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EC number: 276-529-8 | CAS number: 72245-56-8
Endpoint summary
Administrative data
Description of key information
Additional information
Direct Black 166 is a black organic powder.
The DSC analysis showed release of water between 25-150 °C followed by substance decomposition between 238-343°C. The decomposition onset is 264.58°C with an enthalpy energy equal to 102.75 J/g (REACH&Colours Kft, 2014).
The particle size distribution of Direct Black 166 was analyzed using the Mastersizer 2000 tool and the D50 resulted 48.089 µm (REACH&Colours Kft, 2014).
Direct Black 166 is a soluble substance in water (37.64 g/l at 20 °C) and logPow was calculated as -2.0248, showing a greater affinity with the water phase, than the octanol phase (REACH&Colours Kft, 2014).
The relative density of the substance, analyzed by means of pycnometer method, is 1.418 at 20 °C (REACH&Colours Kft, 2014).
Direct Black 166 is not flammable and it is not expected to be 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
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