Registration Dossier
Registration Dossier
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EC number: 700-291-0 | CAS number: 1000701-92-7
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 0.145 mg/L
- Assessment factor:
- 1 000
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 1.45 mg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.015 mg/L
- Assessment factor:
- 10 000
- Extrapolation method:
- assessment factor
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 75 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 0.932 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 0.093 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Hazard for air
Hazard for terrestrial organisms
Soil
- Hazard assessment conclusion:
- PNEC soil
- PNEC value:
- 0.101 mg/kg soil dw
- Extrapolation method:
- equilibrium partitioning method
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- no potential for bioaccumulation
Additional information
Justification of read-across:
Hexylglycol is the parent compound and occurs together with the sodium salt of the submission substance identity.
Because of the structural similarities, it can be taken as a surrogate for evaluations.
In addition, in case of testing the substance in biological systems for effects, the pH of the test substance which is strongly alkaline needs to be adjusted. After this adjustment, the pH-neutral solution would largely correspond to n-hexyl glycol. Therefore, it is justifed to refer to n-hexyl glycol.
Conclusion on classification
Experimental data from acute toxicity studies show that the acute values (LC50/EC50) are > 100 mg/L. According to Chapter VI of Directive 67/548/EEC, EGHE would not be classified based on the low toxicity.
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