Registration Dossier
Registration Dossier
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EC number: 273-732-3 | CAS number: 69012-32-4 By-product of smelting of phosphate rock, silica and coke in manufacture of phosphorus.
Endpoint summary
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:
- LC50
- Value:
- 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.
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