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Ecotoxicological information

Ecotoxicological Summary

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Administrative data

Hazard for aquatic organisms

Freshwater

Hazard assessment conclusion:
PNEC aqua (freshwater)
PNEC value:
24 µg/L
Assessment factor:
1 000
Extrapolation method:
assessment factor
PNEC freshwater (intermittent releases):
240 µg/L

Marine water

Hazard assessment conclusion:
PNEC aqua (marine water)
PNEC value:
2.4 µg/L
Assessment factor:
10 000
Extrapolation method:
assessment factor

STP

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

Sediment (freshwater)

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

Sediment (marine water)

Hazard assessment conclusion:
PNEC sediment (marine water)
PNEC value:
51.8 µg/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:
89.4 µg/kg soil dw
Extrapolation method:
equilibrium partitioning method

Hazard for predators

Secondary poisoning

Hazard assessment conclusion:
no potential for bioaccumulation

Additional information

The PNEC values were determined for the substance itself by application of methods provided in ECHA Guidance Chapter R.10 (May 2008).

Conclusion on classification

The short-term toxicity of the substance to aquatic organisms was investigated according to valid HA-QSARs. The following toxicity values are available for the substance:

Fish Acute: 96h-LC50 = 25.0 mg/L

Aquatic invertebrates: 48h-EC50 = 24.0 mg/L

Algae: 72h-EC50 = 24.0 mg/L

The lowest acute aquatic toxicity values based on available data ranges between 10 and 100 mg/L. Long-term toxicities to aquatic organisms were not investigated. Thus, there are no adequate chronic toxicity data available.

The degradation of the substance was investigated according to OECD Guidelines:

In a ready biodegradation study performed according to OECD Guideline 301 C, camphor was tested at concentrations of 100 mg/L and the inoculum was activated sludge (30 mg/L). The degradation of the test material was assessed by the determination of the oxygen consumption.

At 100 mg/L test concentration, 94% degradation (biochemical oxygen demand) was reached in 28 days. Under the test conditions, the substance was determined to be ready biodegradable. Therefore, the substance is considered as rapidly degradable in aquatic system.

No fish BCF is available. Log Kow is 2.38.

CLP Classification proposal

It is proposed to compare submission substance dataset to CLP environmental criteria laid down in CLP Regulation (including 2nd Adaptation to Technical Progress, Com Reg No 286/2011).

Acute aquatic hazard: not classified. Reasoning: lowest E(L)C50 higher than 1 mg/L.

Chronic aquatic hazard: not classified. Reasoning: adequate chronic toxicity data are not available, lowest acute E(L)C50 value range between 10 and 100 mg/L, rapidly degradable substance with Log Kow < 4.