Registration Dossier
Registration Dossier
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EC number: 255-280-9 | CAS number: 41253-21-8
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 0.058 mg/L
- Assessment factor:
- 1 000
- PNEC freshwater (intermittent releases):
- 0.58 mg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.006 mg/L
- Assessment factor:
- 10 000
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 118 mg/L
- Assessment factor:
- 1
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 0.211 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 0.021 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Hazard for air
Hazard for terrestrial organisms
Soil
- Hazard assessment conclusion:
- PNEC soil
- PNEC value:
- 0.008 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
The acute tests results available for 1,2,4 triazole Na salt indicate that the substance is not readily biodegradable, with a log Kow <1, and is harmful to algae.
According to CLP classification criteria, 1,2,4 triazole Na salt is not classified.
1,2,4 triazole sodium salt is harmful to aquatic organisms based on algae test giving an ErC50 -72h of 58.1 mg/L.
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