Registration Dossier
Registration Dossier
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EC number: 231-744-6 | CAS number: 7718-98-1
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Hazard for air
Hazard for terrestrial organisms
Hazard for predators
Additional information
Conclusion on classification
As showed in the environment fate and pathways, VCl3 rapidly decomposes in the tetravalent and pentavalent forms of vanadium and hydrogen chloride (n°CAS 7647-01-0) when in contact with humidity. These two “by products” have then to be taken into account for classification for the environment. Hydrogen Chloride regulatory classification does not concern the environment (only pH effects are demonstrated), that is why only vanadium element is considered for aquatic hazard.
For acute toxicity, data on invertebrates, fish and algae showed EC50 between 1,8 and 27,8 mg V/L. No classification is then required for acute toxicity.
The long-term toxicity studies showed a lowest sub- lethal toxicity value of 0,08 mg V/L. (Holdway and Sprague, 1979, with Jordanella floridae). On the basis of the guidance on the application of the CLP criteria (version 5.0, July 2017), the rules indicate in the annex IV (metals and inorganic metal compounds) were applied.
Because of the rapid environmental transformation and the readily soluble of VCl3 in water, the chapter IV.5.3.2.1 indicate that:
Chronic ERV compound = Chronic ERV metal compound x MMcompound/MMmetal compound
Chronic ERV compound = 0.08 x155/50 = 0.25 mg/L
Considering this “Chronic ERV compound”, the VCl3 classification is aquatic chronic category 3, H412.
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