Registration Dossier
Registration Dossier
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EC number: 270-695-5 | CAS number: 68476-55-1
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- no data available: testing technically not feasible
Marine water
- Hazard assessment conclusion:
- no data available: testing technically not feasible
STP
- Hazard assessment conclusion:
- no data available: testing technically not feasible
Sediment (freshwater)
- Hazard assessment conclusion:
- no data available: testing technically not feasible
Sediment (marine water)
- Hazard assessment conclusion:
- no data available: testing technically not feasible
Hazard for air
Air
- Hazard assessment conclusion:
- no hazard identified
Hazard for terrestrial organisms
Soil
- Hazard assessment conclusion:
- no data available: testing technically not feasible
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- no potential for bioaccumulation
Additional information
Conclusion on classification
Data on the aquatic toxicity of streams of this category is available for two streams that were tested in OECD Guideline 201 (Freshwater Alga and Cyanobacteria, Growth Inhibition Test) tests. The 72-hour ErL50 growth rates were 31 and 41 mg/L, and the 72-hour ErL10 growth rates were 12 and 17 mg/L (WAF). The aquatic hazard assessment is currently on-going for Category A as part of the wider Environmental Testing Programme and two testing proposal for long-term toxicity to aquatic invertebrates have been included in this dossier update.
In addition to the experimental data, PETROTOX QSAR data was also considered for CLP, when no experimental data for a stream was available. PETROTOX is a well-documented and peer reviewed model that is widely used across the chemicals industry. The predicted ecotoxicity values for aquatic species (fish, invertebrates and algae) were LL50/EL50 values from 8.13 to >1000 mg/L and EL10 values from 1.56 to 58.7 mg/L.
However, streams in the category contain cyclohexane, benzene, methylcyclopentane, and hexane in concentrations that may warrant a classification of a) Aquatic Acute 1 (H400) and Chronic 1 (H410), or b) Aquatic Chronic 2 (H411) under the CLP regulations.
Based on existing experimental results, as well as QSAR predictions, streams in this category would not require acute or chronic aquatic classification. However, while the Environmental Testing Programme is underway, streams will conservatively be classified based on constituent information. Therefore, Category A streams are classified as a) Aquatic Acute 1 (H400) and Chronic 1 (H410), or b) Aquatic Chronic 2 (H411) under the CLP regulations.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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