Registration Dossier
Registration Dossier
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EC number: 276-770-9 | CAS number: 72705-24-9
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 0.1 mg/L
- Assessment factor:
- 1 000
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 1 mg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.01 mg/L
- Assessment factor:
- 10 000
- Extrapolation method:
- assessment factor
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 200 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 64.8 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 6.5 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:
- 12.8 mg/kg soil dw
- Extrapolation method:
- equilibrium partitioning method
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- no potential for bioaccumulation
Additional information
PNEC freshwater sediment:
K_(susp-water) = 162
RHO_(susp) = 1150
Conversion factor (wwt -> dwt): 4.6
PNEC_freshwater sediment
= (K_(susp-water)/ RHO_(susp))*PNEC_water * 1000
= (162/1150) * 0.1 * 1000
= 14.1 mg/kg wwt
= 64.8 mg/kg dw
PNEC marine water sediment:
K_(susp-water) = 162
RHO_(susp) = 1150
Conversion factor (wwt -> dwt): 4.6
PNEC_marine water sediment
= (K_(susp-water)/ RHO_(susp))*PNEC_marine water* 1000
= (162/1150)* 0.01 * 1000
= 1.41 mg/kg wwt
= 6.5 mg/kg dw
PNEC soil:
K_(soil-water) = 193
RHO_(soil) = 1700
Conversion factor (wwt -> dwt): 1.13
PNEC_soil
= (K_(soil-water)/ RHO_(soil))*PNEC_freshwater*1000
= (193/1700)* 0.1*1000
= 11.4 mg/kg wwt
= 12.8 mg/kg dw
Conclusion on classification
Classification, Labelling, and Packaging Regulation (EC) No 1272/2008
The available experimental test data are reliable and suitable for classification purposes under Regulation (EC) No 1272/2008. The test substance was found to be not inherently biodegradable under the test conditions. The most sensitive test for the aquatic compartment was the short-term toxicity to fish. This study revealed a 96h-LC50 > 100 mg/L. The 72h-NOEC of a toxicity to aquatic plants test with the test substance was determined to be > 117 mg/L and the 72h-EC50 was determined to be > 117 mg/L. Based on these results, the substance neither classified as aquatic acute toxicity nor classified as aquatic chronic toxicity according to table 4.1.0 of Annex I of Regulation (EC) No 1272/2008 and according to Regulation (EC) No 1272/2008 (CLP) as amended for the ninth time in Commision Regulation (EU) 2017/706.
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