Registration Dossier
Registration Dossier
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EC number: 248-315-4 | CAS number: 27194-74-7
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 680 ng/L
- Assessment factor:
- 1 000
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 6.8 µg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 68 ng/L
- Assessment factor:
- 10 000
- Extrapolation method:
- assessment factor
- PNEC marine water (intermittent releases):
- 680 ng/L
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 5.6 mg/L
- Assessment factor:
- 100
- Extrapolation method:
- assessment factor
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
Acute toxicity data are available for three trophic levels in the aquatic environment (fish, aquatic invertebrates, and plants (algae)). Pronounced toxicity was observed in daphnia (aquatic invertebrates) and algae and of these algae was found to be the most sensitive species. The LC50 for both species was below 1 mg/L; in accordance with Part 4 of the CLP Regulation (Regulation (EC) 1272/2008 including amendments) Acute toxicity category 1 therefore applies. Furthermore an M-factor of 10 should be applied on the basis that the EC50 of the most sensitive species (algae, ErC50 = 0.068 mg/L) falls in the range 0.01 - 0.1 mg/L
It is noted that in the available data, some mortality was observed in fish, however less than 50% mortality was seen in the highest concentration achievable under test conditions (3.1 mg/L).
Long-term aquatic toxicity studies are not available. In accordance with Table 4.1.0 of the CLP Regulation, a chronic toxicity classification is applied on the basis that the substance is does not have adequate chronic toxicity data despite being readily biodegradable.
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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