Registration Dossier
Registration Dossier
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EC number: 241-165-0 | CAS number: 17096-07-0
Endpoint summary
Administrative data
Link to relevant study record(s)
Description of key information
No specific studies are available to assess toxicokinetics. A review of the available data has been made in line with the requirements of Annex VIII.
Key value for chemical safety assessment
Additional information
ABSORPTION
Oral / GI tract
The substance has a molecular weight of 450 and is insoluble in water, therefore significant absorption is unlikely. However, it is noted that in an OECD 422 study signs of systemic toxicity were observed meaning that absorption must occur.
Inhalation
The low vapour pressure value (0.11 Pa at 20°C) shows that the substance is not available as a vapour therefore inhalation is not a significant route of exposure.
Dermal
The substance is a liquid, however update via the dermal route is likely to be hindered by the relatively large molecular weight (450) and the presence of the methacrylate group. Further, since the substance is practically insoluble in water dermal uptake is likely to be low.
The substance is not considered to be an irritant or to be corrosive to the skin and no systemic toxicity was observed in those studies. On the basis of read-across to an analogous substance skin sensitisation is not expected.
DISTRIBUTION
Since the molecular weight is reasonable high and the substance is insoluble it is unlikely that the substance is widely distributed throughout the body. However, clear effects on the liver in repeated dose studies suggests that the substance in some form will reach the liver via systemic distribution.
METABOLISM
The results of the genotoxicity assays have shown that genotoxicity is neither enhanced or diminished in the presence of the S9 metabolising system.
EXCRETION
There is no evidence to indicate the route of excretion but insoluble substances are not favourable for urinary excretion in addition excretion via bile is also unlikely. Any test item that is not absorbed will be excreted in the faeces.
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