Registration Dossier
Registration Dossier
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EC number: 942-085-5 | CAS number: -
Endpoint summary
Administrative data
Description of key information
There is no measured data available for this substance. However, key and supporting data is available for structural analogues Hydrocarbons, C10-C13, n-alkanes, isoalkanes, <2% aromatics; Hydrocarbons, C12-C15, n-alkanes, isoalkanes, <2% aromatics; Hydrocarbons, C14-C16, n-alkanes, isoalkanes, <2% aromatics; and Hydrocarbons C15 -C19, n-alkanes, isoalkanes, <2% aromatics and presented in the dossier. The hypothesis for the analogue approach is that the test substances, contain constituents which are also constituents of the target substance, Hydrocarbons, C11-C16, n-alkanes, isoalkanes, <2% aromatics. The substances have overlapping constituents and therefore have qualitatively similar properties (RAAF Scenario 2 applies).
The substances are poorly soluble and made of constituents with various water solubility. As a consequence, the exposures were performed with Water Accommodated Fractions (WAFs). Therefore, the results are based on nominal loadings.
Based on data available for this substance and structural analogues, this substance does not demonstrate acute fish, acute invertebrate, algae and microorganism toxicity at high loading rates. Chronic toxicity was never observed below 1 mg/L.
Additional information
There is no measured data available for this substance. However, key and supporting data is available for structural analoguesHydrocarbons, C10-C13, n-alkanes, isoalkanes, <2% aromatics; Hydrocarbons, C12-C15, n-alkanes, isoalkanes, <2% aromatics; Hydrocarbons, C14-C16, n-alkanes, isoalkanes, <2% aromatics; and Hydrocarbons C15 -C19, n-alkanes, isoalkanes, <2% aromatics and presented in the dossier. The hypothesis for the analogue approach is that the test substances, contain constituents which are also constituents of the target substance, Hydrocarbons, C11-C16, n-alkanes, isoalkanes, <2% aromatics. The substances have overlapping constituents and therefore have qualitatively similar properties (RAAF Scenario 2 applies).
Key and supporting information is summarised below:
Short-term toxicity to fish
Measured data are available for Hydrocarbons, C12-C15, n-alkanes, isoalkanes, <2% aromatics in which the LL50 for Cyprinus carpio was found to be >100 mg/l.
Long-term toxicity to fish
Measured data are available for Hydrocarbons, C10-C13, n-alkanes, isoalkanes, <2% aromatics, the 32 day NOEC value was ≥100 mg/l based on hatching, survival and growth.
Short-term toxicity to aquatic invertebrates
Measured data are available for Hydrocarbons, C10-C13, n-alkanes, isoalkanes, <2% aromatics in which a 48 hour EL50 value of >100 mg/l and a NOELR value of ≥100 mg/l (WAF loading rate) were determined for the effects of the test substance on mortality of Daphnia magna.
Measured data are available for Hydrocarbons, C12-C15, n-alkanes, isoalkanes, <2% aromatics in which the EL50 for Daphnia magna was found to be >100 mg/l.
Measured data are available for Hydrocarbons, C14-C16, n-alkanes, isoalkanes, <2% aromatics in which the 48-hour LL50 for Daphnia magna was found to be > 100 mg/l based on WAF loading rate.
Water accommodated fractions of Hydrocarbons, C15-C19, n-alkanes, isoalkanes, <2% aromatics, produced a 48-hour LL50 value of >100 mg/L in Daphnia magna.
Long-term toxicity to aquatic invertebrates
The hydrocarbons, C11-C16, n-alkanes, isoalkanes, <2% aromatics, estimated freshwater invertebrate 21-day NOELR (No Observed Effect Loading Rate) value is >1000 mg/l based on reproduction according to Petrotox calculations (version PETROTOX-UDM_ver3.01-2006-01438-01-E).
Toxicity to algae and cyanobacteria
Measured data are available for Hydrocarbons, C10-C13, n-alkanes, isoalkanes, <2% aromatics in which the 72 hour EL50 value of >100 mg/l and NOELR value of ≥100 mg/l (WAF loading rate) (highest concentration tested) were determined for the effects of the test substance on growth rate of Pseudokirchneriella subcapitata.
A second, equally reliable, study for Hydrocarbons, C10-C13, n-alkanes, isoalkanes, <2% aromatics also reports a 72 hour EL50 value of >100 mg/l and NOELR value of ≥100 mg/l (WAF loading rate) (highest concentration tested) for the effects of the test substance on growth rate of Pseudokirchneriella subcapitata.
Measured data are available for Hydrocarbons, C12-C15, n-alkanes, isoalkanes, <2% aromatics in which the EL50 was found to be >100 mg/l and the NOELR was ≥100 mg/l.
Measured data are available for Hydrocarbons, C14-C16, n-alkanes, isoalkanes, <2% aromatics in which the 72-hour EL50 >100 mg/l and NOELR ≥100 mg/l were determined for effects on growth rate based on WAF loading rate.
Measured data are available for Hydrocarbons, C15-C19, n-alkanes, isoalkanes, <2% aromatics in which the 72-hour EL50 >100 mg/l and NOELR =100 mg/l were determined for effects on growth rate based on WAF loading rate.
Toxicity to microorganisms
The Hydrocarbons, C11-C16, n-alkanes, isoalkanes, <2% aromatics, estimated protozoan, Tetrahymena elliotti, 48-hr EL50 value is >1000 mg/L based on growth inhibition.
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