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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Description of key information

- Acute inhalation toxicity: Standard acute method (OECD 403): LC50,4h > 5.5 mg/L air

Key value for chemical safety assessment

Acute toxicity: via inhalation route

Endpoint conclusion
Dose descriptor:
5 500 mg/m³ air

Additional information

No mortality or toxicity effects were observed in the key study for acute inhalation toxicity at a tested concentration of 5.5 mg/L.

The LC50 was determined to be > 5.5 mg/L for the inhalation route.

Justification for classification or non-classification

Based on the result of the key study Phosphorous slag does not need to be classified for acute inhalation toxicity when considering the criteria outlined in Annex I of 1272/20008/EC and Annex VI of 67/548/EEC.