Registration Dossier
Registration Dossier
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EC number: 291-807-9 | CAS number: 90480-71-0
Endpoint summary
Administrative data
Key value for chemical safety assessment
Additional information
There was no information on the genetic toxicity of pentadecanol, branched and linear so key studies were chosen from studies on closely related linear or branched alcohols of similar chain length. The choice of key study was based on reliability and similarity of chain length. The data available from standard in vitro and in vivo genetic toxicity assays for all related substances show no evidence of mutagenic potential.
Short description of key information:
In vitro information:
Gene mutation (Bacterial reverse mutation assay / Ames test): the related substance hexadecan-1-ol negative with and without activation in S. typhimurium strains TA 98, TA100, TA1535, TA1537 and TA 1538 (OECD TG 471)
Cytogenicity in mammalian cells: the related substance C12 and 13 alcohols; linear and monobranched, type 2: negative in CHO cells (OECD TG 473)
Cytogenicity in mammalian cells: the related substance Docosan-1-ol was negative with and without activation in Chinese hamster ovary cells (similar to OECD TG 473)
Mutagenicity in mammalian cells: the related substance 2-ethylhexan-1-ol was negative with and without activation in L5178Y mouse lymphoma cells (similar to OECD TG 476)
Mutagenicity in mammalian cells: the related substance Docosan-1-ol was negative with and without activation in Chinese hamster lung V79 cells (similar to OECD TG 476)
In vivo
Mouse micronucleus study: the related substance dodecan-1-ol was negative in mice after oral administration (gavage) (OECD 474)
Mouse micronucleus study: the related substance Docosan-1-ol was negative after oral administration (similar to OECD TG 474)
Endpoint Conclusion: No adverse effect observed (negative)
Justification for classification or non-classification
1 -pentadecanol is a member of the category aliphatic alcohols. The category members contain no structural elements which may be of concern for potential mutagenic activity. In vitro tests over the carbon range (C6-22) of the long chain alcohols category members (primary aliphatic alcohols) and supporting substances (C5-C24-34) are negative. Evidence from in vivo studies on other category members supports the conclusion that these alcohols are not genotoxic in vivo.
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