Registration Dossier
Registration Dossier
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EC number: 282-029-0 | CAS number: 84082-82-6 Extractives and their physically modified derivatives such as tinctures, concretes, absolutes, essential oils, oleoresins, terpenes, terpene-free fractions, distillates, residues, etc., obtained from Salix alba, Salicaceae.
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 0.547 mg/L
- Assessment factor:
- 100
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 0.547 mg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 54.7 µg/L
- Assessment factor:
- 1 000
- Extrapolation method:
- assessment factor
- PNEC marine water (intermittent releases):
- 54.7 µg/L
STP
- Hazard assessment conclusion:
- no hazard identified
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 2.08 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 0.21 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Hazard for air
Air
- Hazard assessment conclusion:
- no hazard identified
Hazard for terrestrial organisms
Soil
- Hazard assessment conclusion:
- PNEC soil
- PNEC value:
- 0.095 mg/kg soil dw
- Extrapolation method:
- equilibrium partitioning method
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- no potential for bioaccumulation
Additional information
Conclusion on classification
Acute toxicity data for White Willow Bark Extract are available for freshwater fish, aquatic invertebrates and green algae.
Due to the low aquatic toxicity, 50% effect values could not be determined, neither for Fish and Daphnia, nor for algae.
Accordingly, under Regulation (EC) No 1272/2008 (CLP) there are no classification requirements with regard to acute aquatic toxicity.
Based on the ready biodegradability of the submission substance, there are no chronic classification requirements based on acute data.
Data on algae may be assessed as chronic data. Based on the high EL10 (72 h; Pseudokirchneriella subcapitata; growth rate reduction; nominal loading rates of WAFs) of 54.7 mg/L, no chronic classification requirements do exist also based on evaluation of chronic data.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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