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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Long-term toxicity to aquatic invertebrates

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Link to relevant study record(s)

Description of key information

In accordance with REACH Annex XI, section 1.5 (Grouping of substances and read-across approach) the long-term toxicity test on invertebrates does not need to be conducted as nitric acid will dissociate into H+ ions (resulting in a pH decrease) and nitrate ions, and studies done on nitric acid can subsequently be used to support the low long-term aquatic toxicity of nitrate. Furthermore, long-term effects to daphnia at environmentally relevant pH values are not expected to occur (Belanger and Cherry, 1990).

Key value for chemical safety assessment

Additional information