Registration Dossier
Registration Dossier
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EC number: 222-852-4 | CAS number: 3634-83-1
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 9.7 µg/L
- Assessment factor:
- 1 000
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 97 µg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.97 µg/L
- Assessment factor:
- 10 000
- Extrapolation method:
- assessment factor
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 1.59 mg/L
- Assessment factor:
- 100
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 47 µg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 4.7 µg/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:
- 3.7 µg/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
For the 3 trophic levels (fish, invertebrates (Daphnia) and algae), studies on the short-term toxicity of XDI and XDA have been evaluated (the long-term toxicity has not been investigated). The results as expressed in measured concentrations XDA have been converted to XDI concentrations for the purpose of CLP classification (Guidance on the application of the CLP criteria, 4.1.3.1.1.).
- 96h-LC50 for freshwater fish: 120.9 mg XDI/L
- 48h-EC50 for freshwater invertebrates: 13.4 mg XDI/L
- 72h-ErC50 for freshwater algae: 43.5 mg XDI/L
- 72h- ErC10 for freshwater algae: 29.8 mg XDI/L
As the lowest L(E)C50 value is 13.4 mg XDI/L and XDA, the main hydrolysis product, is not rapidly degradable, XDI should be classified as Harmful to aquatic life with long lasting effects (H412) in accordance with the CLP Regulation 1272/2008 (as amended by Regulation 286/2011) (Long-term aquatic hazard Chronic 3).
Please note that XDA has been registered with the same classification in its REACH lead registration dossier.
XDI should be classified as harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment (risk phrases R52/R53) according to Directive 67/548/EEC (DSD).
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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