Registration Dossier
Registration Dossier
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EC number: 942-982-1 | CAS number: -
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- no hazard identified
Marine water
- Hazard assessment conclusion:
- no hazard identified
STP
- Hazard assessment conclusion:
- no hazard identified
Sediment (freshwater)
- Hazard assessment conclusion:
- no hazard identified
Sediment (marine water)
- Hazard assessment conclusion:
- no hazard identified
Hazard for air
Air
- Hazard assessment conclusion:
- no hazard identified
Hazard for terrestrial organisms
Soil
- Hazard assessment conclusion:
- no hazard identified
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- no potential for bioaccumulation
Additional information
Conclusion on classification
The standard approach for classifying poorly soluble metals is to use the data generated from T/D tests, and compare this with relevant acute or chronic Ecotoxicity Reference Values (ERV) for the soluble metal compounds (ECHA 2015).
In the 28-day transformation/dissolution test, no antimony or titanium were released above the Limit of Detection of 0.5 µg/L at pH 6 or pH 8 from uverithe, after 28 days at a loading of 1 mg/L (Pardo Martinez 2016a). Considering an initial uverithe load of 1 mg/L and the maximum possible release of 233.50 μg Ti/L for titanium and 322.45 μg Sb/L for antimony, the test results indicate that the test item is essentially insoluble in both test media.
According to the guidance on CLP criteria (ECHA, 2015) the acute and chronic hazard should be assessed for a metal compound if the respective acute or chronic ERV value for the metal ion of concern is ≤1 mg/L. A metal should be classified for acute aquatic hazard if the dissolved metal ion concentration after a period of 7 days at a loading rate of 1 mg/L exceeds the acute ERV. Where the chronic ERV for the metal ions of concern is ≤ 1 mg/L, the 28-day results from the T/D test should be used to aid classification. Neither titanium[1] or antimony[2], are classified for the environment. In addition, titanium and antimony were not detected in the T/D test with uverithe. Therefore, uverithe does not need to be classified for environmental hazard.
[1]Based on dataset for titanium available on ECHA dissemination portal, accessed 05 December 2016
[2]Based on dataset for antimony substances available on ECHA dissemination portal, accessed 05 December 2016 and EU RAR for Diantimony trioxide, CAS 1309-64-4 (2008)
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