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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Ecotoxicological information

Toxicity to microorganisms

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Administrative data

Link to relevant study record(s)

Description of key information

For C.I. Direct Blue 264 an EC10 of 419 mg/L and an EC50 of 3490 mg/L were obtained in a test for toxicity to microorganisms. The effect values relate to nominal concentrations, since no analytical monitoring was performed. 

Key value for chemical safety assessment

EC50 for microorganisms:
3 490 mg/L
EC10 or NOEC for microorganisms:
419 mg/L

Additional information