Registration Dossier
Registration Dossier
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EC number: 274-490-1 | CAS number: 70236-60-1
Endpoint summary
Administrative data
Description of key information
Additional information
Acid Brown 282 (ABr282) is a brown organic powder at 1013 hPa and 20 °C.
Between 25-130 °C release of imbibition water/solvent was observed, followed by decomposition of the product between 297-443 °C (onset at 329.3 °C; enthalpy = 1747 J/g); therefore both melting and boiling points were not recorded (REACH&Colours Kft, 2013).
The particle size distribution of the ABr282 was analyzed using the Mastersizer 2000 tool and the resulted MMD 56.591 µm (REACH&Colours Kft, 2012).
ABr282 is very soluble in water and Kow value was calculated as 0.8654 (average log Pow: -0.0752), showing a greater affinity with the water phase, than the octanol phase. The relative density of the substance, analyzed by means of pycnometer method, is 1.468 at 20 °C (REACH&Colours Kft, 2012).
Since it is a solid, properties like vapour pressure, surface tension and flash point can be neglected.
In the flammability test performed, ABr282 did not propagate burning of a 200 mm length of the strip in less than four minutes, therefore the substance resulted non flammable. ABr282 does not ignite and propagate combustion; the screening evaluation failed to evidence any reason of concern, on the basis of the chemical structure analysis and the thermal behaviour investigation.
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