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EC number: 928-868-4 | CAS number: -
Repeated Dose Oral 90d – NOAEL ≥5000 mg/kg for rats (similar to OECD TG 408)Repeated Dose Dermal 90d – NOAEL ≥495 mg/kg for rats, highest dose tested (similar to OECD TG 410)
Oral: C14-20 Aliphatics (≤2% aromatic) are expected to have a low order of repeated dose toxicity by the oral route of exposure. Two read-across studies from the structurally analogous test materials "Hydrocarbons C12-C16, n-alkanes, isoalkanes, cyclics, <2% aromatics" and "Hydrocarbons, C10 -C13, n-alkanes, isoalkanes, cyclics, < 2% aromatics" were analysed. All tests were performed in a manner similar or equivalent to currently established OECD guidelines. The systemic NOAEL were determined to be higher than 1000 and 5000 mg/kg/day, respectively.
Dermal: C14-20 Aliphatics (≤2% aromatic) are expected to have a low order of repeated dose toxicity by the dermal route of exposure. No study was located for the test substance C14-C20 aliphatics, <2% aromatics, however, available read-across data from the structurally analogous test material hydrodesulfurized kerosene was analysed. All tests were performed in a manner similar or equivalent to currently established OECD guidelines. In a repeated dose study where hydrodesulfurized kerosene was administered via semi-occlusive patch, the systemic NOAEL was determined to be ≥495 mg/kg/day, which was the highest dose tested.
These findings do not warrant the classification of C14-20 Aliphatics (≤2% aromatic) as a repeated dose toxicant under the new Regulation (EC) 1272/2008 on classification, labeling and packaging of substances and mixtures (CLP) or under the Directive 67/548/EEC for dangerous substances.
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