Registration Dossier
Registration Dossier
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EC number: 214-244-2 | CAS number: 1117-31-3
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 0.039 mg/L
- Assessment factor:
- 1 000
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 0.39 mg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.004 mg/L
- Assessment factor:
- 10 000
- Extrapolation method:
- assessment factor
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 1.81 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 0.179 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 0.018 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:
- 0.019 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
Conclusion on classification
Degradation
Biodegradation: 82% (CO2 evolution) after 28 d (OECD 301B)
Bioaccumulation
Log Kow: 1.31 (QSAR estimation)
Aquatic toxicity
96 h, LC50 (Oncorhynchus mykiss): 39 mg/L (nominal)
48 h, EC50 (Daphnia magna): > 100 mg/L (nominal)
72 h, ErC50 (Pseudokirchnerialla subcapitata): > 100 mg/L (nominal); > 60 mg/L (geometric mean)
Non-classification according to CLP
Chronic data are not available for 1,3-butylene diacetate. However, based on the data above, 1,3-butylene diacetate is considered to be rapidly degradable and has a low potential for bioaccumulation. The acute toxicity L(E)C50 values are all > 1 mg/L for fish, aquatic invertebrates and algae. Thus, 1,3-butylene diacetate does not need to be classified and labeled as environmental hazard according to the 2nd ATP of Regulation (EC) No. 1272/2008 (CLP).
Non-classification according to DSD/DPD
Based on the data above, 1,3-butylene diacetate is considered to be rapidly degradable and has low potential for bioaccumulation. The acute aquatic toxicity L(E)C50 values are all > 1 mg/L for fish, aquatic invertebrates and algae. Thus, 1,3-butylene diacetate does not need to be classified and labeled as environmental hazard according to Directive 67/548/EEC.
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