Registration Dossier

Administrative data

Hazard for aquatic organisms

Freshwater

Hazard assessment conclusion:
PNEC aqua (freshwater)
PNEC value:
0.06 mg/L
Assessment factor:
10
Extrapolation method:
assessment factor
PNEC freshwater (intermittent releases):
0.06 mg/L

Marine water

Hazard assessment conclusion:
PNEC aqua (marine water)
PNEC value:
0.006 mg/L
Assessment factor:
100
Extrapolation method:
assessment factor

STP

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

Sediment (freshwater)

Hazard assessment conclusion:
PNEC sediment (freshwater)
PNEC value:
9.4 mg/kg sediment dw
Assessment factor:
100
Extrapolation method:
assessment factor

Sediment (marine water)

Hazard assessment conclusion:
PNEC sediment (marine water)
PNEC value:
0.94 mg/kg sediment dw
Assessment factor:
1 000
Extrapolation method:
assessment factor

Hazard for air

Air

Hazard assessment conclusion:
no hazard identified

Hazard for terrestrial organisms

Soil

Hazard assessment conclusion:
PNEC soil
PNEC value:
9.4 mg/kg soil dw
Assessment factor:
50
Extrapolation method:
assessment factor

Hazard for predators

Secondary poisoning

Hazard assessment conclusion:
PNEC oral
PNEC value:
53.3 mg/kg food
Assessment factor:
30

Additional information

Based on the available data for the aquatic compartment SAS is most toxic to daphnia with an acute EC50 (48h) of 9.2 mg/L (a.i.) and a chronic NOEC reproduction (21d) of 0.04 mg/ (a.i.).

Based on the available data for the freshwater sediment compartment SAS has a NOEC reproduction nematode (4d) of 939 mg/kg dw.(a.i.).

Based on the available data for the terrestrial compartment SAS is most toxic to earthworms with a Chronic NOEC (56d, reproduction) of 470 mg/kg soil dw.(a.i.).

Conclusion on classification

The Environmental classification for SAS has to take into account the lowest acute value for aquatic species which is the Fish LC50 (96h) of 5.5 mg/L a.i. (see Section 6.1.1). For CLP classification also the lowest chronic value for aquatic species which is the Daphnia NOEC 21d reproduction of 0.4 mg/l (see section 6.1.4) has to be considered.

In addition SAS is readily biodegradable (see Section 5.2.1) and due to the low octanol water partitioning coefficient of 0.2 (see Section 4.7) bioaccumulation can be neglected.

Classification according DSD 67/548/EEC:

Short-term effects: No classification required

as 3 acute ecotoxicity values are available >1 mg/l

Long-term effect: No classification required

as 3 acute ecotoxicity values are available >1 mg/l, the substance is readily biodegradable and has a low bioaccumulation potential (log Kow 0.2)

Classification according to 2nd ATP CLP 2011/286/EU for Environment

Short-term effects: No classification required

as 3 acute ecotoxicity values are available >1 mg/l

Long-term effect: Category Chronic 3, H412

as 3 chronic ecotoxicity values are available with the lowest value (Daphnia NOEC 21d reproduction 0.4 mg/l) > 0.1 mg/l & <= 1 mg/l and the substance is readily biodegradable