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Description of key information

As the test item is instable in contact with air, the density of the stable oxidised form Indigo was detemined. 
Density: 1.35 g/cm³ at 20°C

Key value for chemical safety assessment

Relative density at 20C:

Additional information

The test substance is synthesized and handled as an aqueous potassium hydroxide solution only under inert gas atmosphere. It is instable as solid material on air and oxidises rapidly to indigo CAS 482-89-3. Data on indigo is presented below.

Density: 1.35 g/cm³ at 20°C