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Ecotoxicological information

Ecotoxicological Summary

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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:
1.25 mg/L
Assessment factor:
10
Extrapolation method:
assessment factor

Sediment (freshwater)

Hazard assessment conclusion:
PNEC sediment (freshwater)
PNEC value:
0.386 mg/kg sediment dw
Extrapolation method:
equilibrium partitioning method

Sediment (marine water)

Hazard assessment conclusion:
PNEC sediment (marine water)
PNEC value:
0.039 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:
0.022 mg/kg soil dw
Extrapolation method:
equilibrium partitioning method

Hazard for predators

Secondary poisoning

Hazard assessment conclusion:
no potential to cause toxic effects if accumulated (in higher organisms) via the food chain

Additional information

Acute studies are available for toxicity to fish,Daphniaandalgae a for fatty acids, tall oil, oligomeric reaction products, with maleic anhydride and rosin, calcium, magnesium, zinc salts. All studies were conducted using Water Accommodated Fractions (WAFs) and in all studies the LL or EL50 was determined to be >100 mg/L, the highest concentration tested.

Conclusion on classification

The EL50 values from acute ecotoxicity studies are all > 100 mg/L, therefore no acute classification is assigned to the substance fatty acids, tall oil, oligomeric reaction products, with maleic anhydride and rosin, calcium, magnesium, zinc salts.

 

A chronic environmental classification is not assigned based the acute ecotoxicity results. As this substance is poorly soluble a Chronic Category 4 classification could be appropriate under CLP regulations. However, this substance has a log Kow <4 and achieved >60% degradation after 28 days in a biodegradation study. Although the 10-day window criterion was not met in the biodegradation study, as this substance is a complex UVCB the 10-day window criterion can be waived and therefore this substance is considered to be readily biodegradable. A Chronic Category 4 classification is not therefore considered to be appropriate for this substance Fatty acids, tall oil, oligomeric reaction products, with maleic anhydride and rosin, calcium, magnesium, zinc salts is not classified for the environment.