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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

The acute effects of 1,5 -diaminonaphthalene to the population growth of the ciliate Tetrahymnea pyriformis was determined in a static culture to be EC50 = 45.5 mg/l after an exposure of 60 hours (Schultz & Applehans, 1985).

Key value for chemical safety assessment

Additional information