Registration Dossier
Registration Dossier
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EC number: 943-438-6 | CAS number: 90063-59-5
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- no data available: testing technically not feasible
Marine water
- Hazard assessment conclusion:
- no data available: testing technically not feasible
STP
- Hazard assessment conclusion:
- no data available: testing technically not feasible
Sediment (freshwater)
- Hazard assessment conclusion:
- no data available: testing technically not feasible
Sediment (marine water)
- Hazard assessment conclusion:
- no data available: testing technically not feasible
Hazard for air
Air
- Hazard assessment conclusion:
- no hazard identified
Hazard for terrestrial organisms
Soil
- Hazard assessment conclusion:
- no data available: testing technically not feasible
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- no data available: testing technically not feasible
Additional information
Conclusion on classification
For Litsea cubeba oil, acute toxicity studies for three trophic levels are available. The EL50 and LL50 for daphnia and fish respectively, were both 4.2 mg/L. While for algae, an ErL50 and NOErL of 25 and 10 mg/L were derived. Based on the lowest available acute data of 4.2 mg/L from the daphnia and fish studies, the substance does not need to be classified for acute aquatic toxicity according to Table 4.1.0 (a) of CLP.
As only one chronic value is available (Algae 72h-NOErL of 10 mg/L), the aquatic chronic classification needs to be derived on both chronic and acute toxicity data and the most stringent outcome needs to be taken into consideration. Based on the NOErL, Litsea cubeba oil does not require classification for chronic toxicity. However, in view of the substance being readily biodegradable, a log Kow range of 2.06 - 6.3. (16.90% of the constituents has a log Kow >= 4) and the lowest acute data point being 4.2 mg/L for fish and daphnia, the substance needs to be classified for long term aquatic toxicity according to Figure 4.1.1 and Table 4.1.0, (b) iii of CLP, resulting in aquatic Chronic Category 2 (H411) classification.
As the worst case needs to be taken, Litsea cubeba oil needs to be classified Chronic Category 2 (H411) according to EU CLP (EC 1272/2008 and its updates). M factor for acute and chronic toxicity is not applicable.
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