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EC number: 200-814-8
CAS number: 74-84-0
The vapour pressure of the substances in the category ranges from 143 kPa at 20°C to 4520 kPa at -83°C.
accordance with section 2 of REACH Annex XI and Chapter R7a: endpoint
specific guidance, the vapour pressure study does not need to be
conducted as this substance has a boiling point less than 30°C, and
therefore will have a vapour pressure above the limit of measurement
are available for 95465-89-7 from a proprietary study conducted
according to standard guidelines (Repsol 2009). Data from the CRC
handbook (Lide 2008) were available for the substances methane, ethane,
propane, butane and isobutane. The information is taken from a reliable
peer reviewed handbook and so can be considered reliable and suitable
for use for this endpoint.
vapour pressure of methane is 4520 kPa at -83˚C, ethane is 3917 kPa at
22˚C, propane is 878 kPa at 22°C, butane is 221 kPa at 22°C and
isobutane is 319 kPa at 22°C. The mean of the vapour pressure values for
the category is 1971 kPa at 25°C 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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