Registration Dossier
Registration Dossier
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EC number: 203-892-1 | CAS number: 111-65-9
Endpoint summary
Administrative data
Description of key information
Toxicity to soil macroorganisms except arthropods
The registered substance is a complex petroleum UVCB whose constituents have variable physicochemical properties. Therefore, a modeling framework is needed to account for the bioavailability of the constituents in the mixture, which was then used to predict the toxicity of the substance as a whole. The target lipid model (TLM) and HC5, have been applied to soils and sediment using equilibrium partitioning (EqP) model. The model used for the calculations was the PETROTOX v4.0 model. PETROTOX is a well-documented and peer reviewed model that is widely used across the chemicals industry. As such, modeled data are considered fit for purpose.
Toxicity to terrestrial arthropods
The registered substance is a complex petroleum UVCB whose constituents have variable physicochemical properties. Therefore, a modeling framework is needed to account for the bioavailability of the constituents in the mixture, which was then used to predict the toxicity of the substance as a whole. The target lipid model (TLM) and HC5, have been applied to soils and sediment using equilibrium partitioning (EqP) model. The model used for the calculations was the PETROTOX v4.0 model. PETROTOX is a well-documented and peer reviewed model that is widely used across the chemicals industry. As such, modeled data are considered fit for purpose.
Toxicity to terrestrial plants
There is data available for this substance, which is presented in the dossier. Key information is summarised below:
The test substane Octane did not exhibit toxic effects in lettuce plant (Lactuca sativa). The study reported a 14 -day EL50 of >1000 mg/kg soil (dry weight), based on nominal concentrations. There were no effects at the highest concentration tested.
Toxicity to soil microorganisms
The registered substance is a complex petroleum UVCB whose constituents have variable physicochemical properties. Therefore, a modeling framework is needed to account for the bioavailability of the constituents in the mixture, which was then used to predict the toxicity of the substance as a whole. The target lipid model (TLM) and HC5, have been applied to soils and sediment using equilibrium partitioning (EqP) model. The model used for the calculations was the PETROTOX v4.0 model. PETROTOX is a well-documented and peer reviewed model that is widely used across the chemicals industry. As such, modeled data are considered fit for purpose.
Toxicity to birds
In accordance with column 2 of REACH Annex X (section 9.6.1), the study does not need to be conducted because based on the lack of toxicity reported in mammalian toxicity testing (see Section 7 Toxicological information), the chemical is not expected to produce toxic effects in birds.
Additional information
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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