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Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

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Description of key information

LC50> 100 mg/L

Key value for chemical safety assessment

EC50 for freshwater algae:
100 mg/L

Additional information

Direct brown 44 has been tested for acute toxicity study Pseudokirchneriella subcapitata (formerly Selenastrum capricornutum) according to OECD 201 (1984) and Royal Decree 363/1995 (BOE. 133 June 1995).

The result indicates that the dye is not toxic to Selenastrum capricornutum at a concentration of 100 mg/L of active ingredient within 72 hours of testing.