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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

Hazard for aquatic organisms

Freshwater

Hazard assessment conclusion:
PNEC aqua (freshwater)
PNEC value:
0.044 mg/L
Assessment factor:
50
Extrapolation method:
assessment factor
PNEC freshwater (intermittent releases):
0.246 mg/L

Marine water

Hazard assessment conclusion:
PNEC aqua (marine water)
PNEC value:
0.004 mg/L
Assessment factor:
500
Extrapolation method:
assessment factor

STP

Hazard assessment conclusion:
PNEC STP
PNEC value:
100 mg/L
Assessment factor:
10
Extrapolation method:
assessment factor

Sediment (freshwater)

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

Sediment (marine water)

Hazard assessment conclusion:
PNEC sediment (marine water)
PNEC value:
0.138 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:
0.249 mg/kg soil dw
Extrapolation method:
equilibrium partitioning method

Hazard for predators

Additional information

Conclusion on classification

Short-term toxicity data are available for all three trophic levels. The most sensitive group were algae (Desmodesmus subspicatus) (72 -h ErC50 = 24.6 mg/L). Chronic toxicity data are available for algae (72 -h ErC10 = 8.9 mg/L) and daphnids (21 -d NOEC = 2.2 mg/L).

Official classification regarding environmental hazards:

Aquatic compartment

In accordance with Regulation (EC) No 1272/2008 Annex VI Table 3.1 or Table 3.2: no data found.

 

Self-classification

Aquatic compartment

Following DSD/DPD, 1 -methylpiperidine is to be classified as dangerous for the environment (R52/R53). The lowest LC50/EC50value is 24.6 mg/L and the substance is not readily biodegradable.

Following CLP (GHS-EU), the substance is not to be classified as acutely hazardous to the aquatic environment, since the lowest acute effect value is > 1 mg/L.

Chronic data are available for algae (72 -hErC10 = 8.9mg/L) and daphnids (21 -d NOEC = 2.2 mg/L), therefore classification is based on the available chronic (algae, daphnids) and acute toxicity (fish: 96 -h LC50 between 10 -100 mg/L) data. The chronic data indicate that the substance is not to be classified as hazardous to the aquatic environment. The data available for chronic classification are conclusive but not sufficient for classification.

The acute effect value for fish is > 10 and <= 100 mg/L. The substance is not rapdily degradable. Therefore, the substance is to be classified as chronically hazardous to the environment (Chronic 3).

Atmospheric compartment

The test substance is not listed in Annex 1 of Regulation (EC) 2037/2000 on substances that deplete the ozone layer.

The test substance does not belong to the greenhouse gases listed in P Forster, PV Pamaswamy et al. Changes in Atmospheric Constituents and Radiative Forcing. In: Climate Change 2007: The Physical Basis. Contribution of Working Goup 1 to the Fourth Assessment Report of the Intergovernmental Panel on climate Change.