Registration Dossier
Registration Dossier
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EC number: 292-334-0 | CAS number: 90604-40-3
Vapour pressure
Administrative data
Link to relevant study record(s)
Description of key information
The vapour pressure of a commercial sample of Alcohols, C12-15, branched and linear is <0.5 Pa at 20°C, 0.9 Pa at 50°C.
Key value for chemical safety assessment
- Vapour pressure:
- 0.9 Pa
- at the temperature of:
- 50 °C
Additional information
The vapour pressure values of <0.5 Pa at 20°C and 0.9 Pa at 50°C were determined for Alcohols, C12-15, branched and linear with the use of a static method in accordance with NFT 20-048. The result is considered to be reliable.
It is supported by a QSAR estimated value of 0.05 Pa at 25°C for the UVCB.
Since the submission substance is a UVCB substance, available literature data for the constituents as discussed below are used for environmental exposure modelling.
Dodecan-1-ol has a reported vapour pressure value of 0.11 Pa at 25°C; tetradecan-1-ol has a reported vapour pressure value of 0.3014 Pa at 25°C and pentadecan-1-ol has a reported vapour pressure of 5.1E-03 Pa at 25°C (Daubert and Danner, 1989).
Discussion of trends in the Category of C6-24 linear and essentially-linear aliphatic alcohols:
As chain length increases,vapour pressure decreases. This is because molecular weight is higher and intermolecular forces in the substance are all higherInformation 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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