Registration Dossier
Registration Dossier
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EC number: 295-985-9 | CAS number: 92201-55-3 Extractives and their physically modified derivatives such as tinctures, concretes, absolutes, essential oils, oleoresins, terpenes, terpene-free fractions, distillates, residues, etc., obtained from Cedrus atlantica, Pinaceae.
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Hazard for air
Hazard for terrestrial organisms
Hazard for predators
Additional information
Cedarwood Atlas oil is a Natural Complex Substance, a mixture consisting of slightly soluble to soluble constituents. The test substance is a UVCB and the toxicity was tested as a Water Accommodated Fraction. The resulting Median Effective Water Loading cannot be used to derive a PNECaquatic. Moreover, due to the variety of log Kow of the various constituents, the equilibrium partitioning theory cannot be applied to derive PNECsoil or PNECsediment. The volume is 1-10 tonnes/year, therefore neither a CSA or hazard assessment is required, nor a PBT assessment.
Conclusion on classification
For Cedarwood Atlas oil, studies for two trophic levels for acute toxicity are available. The lowest observed ecotoxicity value is 2.0 mg/L in a 48h-EL50 from a Daphnia WAF study. The test substance was shown to be inherently and ultimately biodegradable, and might even be considered as rapidly biodegradable. Yet, over 80% of the constituents of Cedarwood Atlas oil has an estimated log Kow >4. No measured data on BCF is available for this oil.
Therefore according to Regulation 1272/2008/EC (CLP) Cedarwood Atlas oil is classified as hazardous to the aquatic environment Chronic Category 2 (H411).
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