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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Link to relevant study record(s)

Description of key information


Key value for chemical safety assessment

Additional information

Acid Red 249:1 is a dyestuff which could influence the photosynthesis capacity of algae cells in the test solution and in order to clarify the (eco)toxicological properties related to toxicity for aquatic plants. Acid Red 249 has been tested using Lemna minor as a test organism (REACH&Colours Kft, 2015), according to the OECD guideline 221 according to the Guidance on Information Requirements and Chemical Safety Assessment Chapter R.7b: Endpoint specific guidance (Version 2.0 November 2014), published by the European Chemical Agency.