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EC number: 200-814-8
CAS number: 74-84-0
The partition coefficient of the substances in the category ranges from 1.09 to 2.89.
from Hansch (1995) were available for the substances methane, ethane,
propane, butane and isobutane. Data from the CRC handbook (Lide 2008)
were available for isobutane. The information is taken from reliable
peer reviewed handbooks and so can be considered reliable and suitable
for use for this endpoint. QSAR estimate data are also available for
methane, ethane, propane, butane and isobutane.
partition coefficient of methane is 1.09, ethane is 1.81, propane is
2.36, butane is 2.89 and isobutane is 2.76. The mean of the partition
coefficient values for the category is 2.52 and this has been used to
complete the 'key value for chemical safety assessment'.
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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