Registration Dossier
Registration Dossier
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EC number: 202-307-7 | CAS number: 94-13-3
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 0.017 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 0.064 mg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.002 mg/L
- Assessment factor:
- 100
- Extrapolation method:
- assessment factor
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 2 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 0.115 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 0.011 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:
- 0.052 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
Classification related key information
Biodegradation in water: Readily biodegradable: 91.5% (ThOD) in 28 days (OECD 301 F)
Log Kow: 2.8 (average value from seven sources)
Acute toxicity:
- to fish: LC50 (96h) = 6.4 mg/L for Danio rerio (OECD 203)
- to aquatic invertebrates: EC50 (48h) = 15.4 mg/L for Daphnia magna (ISO 634115)
- to algae: ECr50 (72h) = 16 mg/L, for Pseudokirchneriella subcapitata (OECD 201)
Chronic toxicity:
- to fish: NOEC 0.165 mg/L for Danio rerio (OECD 234)
- to aquatic invertebrates: NOEC 0.25 mg/L for Daphnia magna (OECD 211)
- to algae: NOEC (72h) = 2.1 mg/L for Pseudokirchneriella subcapitata (OECD 201)
Classification justification
Based on the data above the substance is considered rapidly biodegradable. The acute aquatic toxicity LC50 is > 1 mg/L for all trophic levels. Chronic data are available for algae and invertebrates. The NOEC for Danio rerio is < 1 mg/L. Therefore, propylparaben has to be classified as H412: Harmfull to aquatic life with long lasting effects (Category 3)
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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