Registration Dossier

Diss Factsheets

Administrative data

Hazard for aquatic organisms

Freshwater

Hazard assessment conclusion:
PNEC aqua (freshwater)
PNEC value:
0.162 mg/L
Assessment factor:
1 000
Extrapolation method:
assessment factor
PNEC freshwater (intermittent releases):
1.622 mg/L

Marine water

Hazard assessment conclusion:
PNEC aqua (marine water)
PNEC value:
0.016
Assessment factor:
10 000
Extrapolation method:
assessment factor

STP

Hazard assessment conclusion:
PNEC STP
PNEC value:
1 550 mg/L
Assessment factor:
1
Extrapolation method:
assessment factor

Hazard for air

Hazard for terrestrial organisms

Hazard for predators

Additional information

Conclusion on classification

The available toxicity data: to fish (48h LC50 = 160 mg/l), to Daphnia (48h EC50=162.2 mg/l), to frog larvae (96h tox test = 4020 mg/l) show a low toxicity level. Oxalic acid has a low logKow and is readily biodegradable.The substance is not be classified as hazardous for the environment.