Registration Dossier
Registration Dossier
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EC number: 200-467-2 | CAS number: 60-29-7
Vapour pressure
Administrative data
Link to relevant study record(s)
Description of key information
58.96 kPa, 20 °C, (static method, Amireche-Ziar)
71.60 kPa, 25 °C, (static method, Amireche-Ziar)
Key value for chemical safety assessment
- Vapour pressure:
- 71.6 kPa
- at the temperature of:
- 298.15 K
Additional information
Two well documented studies were selected from the available literature (see literature search). Both were in good agreement to within experimental error. Values were taken from the more recent study (Amireche-Ziar, 2008) which had been calculated for standard temperatures (T = 20, 25 °C) from the fitted data. Pressures for other temperatures can be easily calculated from the Antoine equation given by Ambrose (1972).
The available information is considered to be adequate for the purposes of classification and labelling and risk assessment, with no nearby regulatory cut-offs (at 50 °C the vapour pressure is significantly less than the definition for a gas). The study is very well documented, with all relevant experimental parameters addressed. The study was published in the peer reviewed literature, and is in good agreement with other workers. As a result, testing does not appear scientifically necessary based on the use of existing data and, given the above points, the criteria in Regulation (EC) No. 1907/2006, Annex XI, 1.1.1 are considered to be met.
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.
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