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EC number: 203-466-5
CAS number: 107-13-1
No data are available. Waivers are proposed for terrestrial toxicity
endpoints based on exposure considerations.
Acrylonitrile can potentially be redistributed to soil from the
atmospheric or aqueous compartments, by the spreading of
acrylonitrile-contaminated sewage sludge or as a result of accidental
spills. Acrylonitrile is anticipated to be relatively mobile in soil,
and this was supported by the results of an adsorption:desorption study
of acrylonitrile, which provides no evidence of adsorption, the
adsorption:desorption processes being in equilibrium. This is supported
by calculation of the Koc (soil adsorption coefficient) using QSAR and
from the water solubility of acrylonitrile when values of 11.5 and 9.0,
respectively were derived, showing little potential for adsorption to
soil. Industrial sludge from acrylonitrile production and processing
facilities is not spread on land in Europe; contaminated sludge is
incinerated. The main source of release of acrylonitrile to soil will
therefore be deposition from the atmospheric compartment. Acrylonitrile
entering the terrestrial compartment in small quantities will be rapidly
degraded by photolysis. Any run-off from the soil will be released to
groundwater, where acrylonitrile will also undergo biodegradation. The
above considerations would therefore indicate that levels of
acrylonitrile in soil are likely to be extremely low.
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.Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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