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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
toxicity to aquatic algae and cyanobacteria
Data waiving:
study technically not feasible
Justification for data waiving:
other:
Justification for type of information:
In accordance with Annex XI, section 2 and OECD guidance document (OECD 2000) on aquatic toxicity testing of difficult substances and mixtures, the study (OECD 201 - Toxicity to aquatic algae and cyanobacteria ) does not need to be conducted as the study is technically not feasible since Disodium oxide (n°CAS 1313-59-3) reacts on contact with water and quasi-instantaneously decomposed under aqueous conditions in the environment. See Attached justification for more details.

Data source

Materials and methods

Results and discussion

Applicant's summary and conclusion