Registration Dossier
Registration Dossier
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EC number: 620-539-0 | CAS number: 1218787-30-4
Vapour pressure
Administrative data
Link to relevant study record(s)
- Endpoint:
- vapour pressure
- Type of information:
- read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- key study
- Study period:
- 2010-01-28
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Justification for type of information:
- Refer to section 13.2 of IUCLID for details on the read-across justification. The study with the read across substance is considered sufficient to fulfil the information requirements.
- Reason / purpose for cross-reference:
- read-across source
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- gas saturation method
- Temp.:
- 20 °C
- Vapour pressure:
- 0.001 Pa
- Remarks on result:
- other: The vapour pressure was measured at three different temperatures in order to extrapolate to 20°C
- Temp.:
- 25 °C
- Vapour pressure:
- 0.001 Pa
- Remarks on result:
- other: The vapour pressure was measured at three different temperatures in order to extrapolate to 25°C
- Conclusions:
- The vapour pressure of the test substance has been determined to 0.73 mPa at 20°C and 1.2 mPa at 25°C.
- Executive summary:
Read across. As a worst case, the vapour pressure is read across from a substance with lower carbon chain distribution within the Primary Fatty Amine Ethoxylated (PFAEO) category. Since the vapour pressure increase with decreasing hydrophobe in a specific homologue, it is a worst case to read across from a substance with lower carbon chain distribution.
Reference
Description of key information
The vapour pressure of the test substance has determined to be 0.73 mPa at 20 °C, 1.2 mPa at 25 °C, and calculated to 0.027 Pa at 60 °C.
Key value for chemical safety assessment
- Vapour pressure:
- 0.001 Pa
- at the temperature of:
- 20 °C
Additional information
As a worst case, the vapour pressure is read across from a substance with lower carbon chain distribution within the Primary Fatty Amine Ethoxylated (PFAEO) category. Since the vapour pressure increase with decreasing hydrophobe in a specific homologue, it is a worst case to read across from a substance with lower carbon chain distribution. A value at higher temperature has been estimated using linear regression and the constants obtained from measure data.
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.
