Registration Dossier
Registration Dossier
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EC number: 200-556-6 | CAS number: 63-37-6
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 0.088 mg/L
- Assessment factor:
- 1 000
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 0.881 mg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.009 mg/L
- Assessment factor:
- 10 000
- Extrapolation method:
- assessment factor
- PNEC marine water (intermittent releases):
- 0.088 mg/L
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 10 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 0.405 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 0.041 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:
- 0.028 mg/kg soil dw
- Extrapolation method:
- equilibrium partitioning method
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- no potential for bioaccumulation
Additional information
- Short-term toxicity to fish: Key study: OECD 203 and EU method C.1. GLP study. The 96h-EC50 of the test item in zebrafish was found to be higher than 88.14 mg/L (measured) and the NOEC was 88.14 mg/L (measured), both based on mortality.
- Short-term toxicity to aquatic invertebrates: Key study: OECD 202 and EU C.2. GLP study. The 48h-EC50 of the test item in Daphnia magna was found to be higher than 100 mg/L and the NOEC was 100 mg/L, both based on mobility.
- Toxicity to aquatic algae and cyanobacteria: Key study: OECD 201 and EU method C.3. GLP study. The 72h-EC50 of the test item in green algae Pseudokirchneriella subcapitata was found to be higher than 100 mg/L and the NOEC was determined to be 100 mg/mL, both based on growth rate.
- Toxicity to microorganisms: Key study: OECD 301F and EU method C.4-D. GLP study. The test item was not inhibitory to microorganism growth at a dose of 100 mg/L. Therefore, it can be concluded a NOEC of 100 mg/l.
Conclusion on classification
Based on available data (96h-EC50 in fish > 88.14 mg/L, 48h-EC50 in Daphnids > 100 mg/L, 72h-EC50 in algae > 100 mg/L) and since the substance is readily biodegradable, with a Log Kow < 4, the test item is not classified for aquatic toxicity, according to CLP regulation (EC) No. 1272/2008.
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