Registration Dossier
Registration Dossier
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EC number: 266-027-7 | CAS number: 65996-92-1 The distillate from coal tar having an approximate distillation range of 100°C to 450°C (212°F to 842°F). Composed primarily of two to four membered condensed ring aromatic hydrocarbons, phenolic compounds, and aromatic nitrogen bases.
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 1.1 µg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 0.07 mg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 1.1 µg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 1 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 5 mg/kg sediment dw
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 5 mg/kg sediment dw
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Hazard for air
Hazard for terrestrial organisms
Soil
- Hazard assessment conclusion:
- PNEC soil
- PNEC value:
- 1.8 mg/kg soil dw
- Extrapolation method:
- assessment factor
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- PNEC oral
- PNEC value:
- 2 mg/kg food
Additional information
Acute aquatic toxicity tests are available for the entire anthracene oil for three trophic levels: daphnia (OECD 202), alga (OECD 201) and fish (OECD 203): The toxicity values relate to the loadings (nominal concentrations) due to the limited water solubility of the anthracene oil (2.0 - 4.5 mg C/L at a loading of 100 mg/L at 20 - 23 °C).
The relevant toxicity data are as follows:
Daphnia: EL50 = 22.4 mg/L
Alga: ErL50 = 48 mg/L
Fish: LL50 > 100 mg/L.
Chronic toxicity data are not available for the entire tar oil, since for UVCB substances the assessment of a mixture-related chronic NOEC is a complex exercise, as these values are to be related to the water-soluble fraction for classification. Instead, phenanthrene, a key component in anthracene oil, was selected as one representative marker substance.
Conclusion on classification
- according to Directive (EU) 67/548/EEC to be labelled with R52/53 (harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment) and
- according to Regulation (EC) No 1272/2008 to be labelled with H412 (Harmful to aquatic life with long lasting effects), Category Aquatic Chronic 3, including the assumption that the chronic NOEC wil be found below 1 mg//L.
The acute toxicity values obtained from the three trophic levels indicate that anthracene oil may exert weak to moderate acute toxicity to aquatic life. The consistent findings of EL/LL50 values above 10 mg/L strongly support classification as harmful to environment....
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