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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Appearance / physical state / colour

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Administrative data

Link to relevant study record(s)

Description of key information

Test item is a brown powder. 

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:
solid: particulate/powder

Additional information

The data on the physical appearance of the substance were taken from the information given in the study report on melting point determination. Under normal conditions the substance is a brown powder.

However, the substance is delivered to downstream users always in the form of an aqueous solution containing up to 40 % (w/w) of the dyestuff, i.e. the pure substance is not marketed.