Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 240-923-8 | CAS number: 16889-10-4
Vapour pressure
Administrative data
Link to relevant study record(s)
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- From May 16 to 17, 2019
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Version / remarks:
- 2006
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- effusion method: Knudsen cell
- Test no.:
- #1
- Temp.:
- 20 °C
- Vapour pressure:
- 0 Pa
- Test no.:
- #2
- Temp.:
- 25 °C
- Vapour pressure:
- 0 Pa
- Conclusions:
- Vapour pressure at 20 °C is 0.000379 Pa.
Vapour pressure at 25 °C is 0.0004928 Pa. - Executive summary:
Method
Effusion method in Knudsen cell, as described in OECD guideline 104.
Results
Vapour pressure at 20 °C is 0.000379 Pa.
Vapour pressure at 25 °C is 0.0004928 Pa.
Reference
| Temperature °C | Δm/Δt mg/min × 10-5 |
Vapour pressure Pa × 10-3 |
| 90.0 | 3.6212 | 6.3533 |
| 95.0 | 4.9093 | 8.6724 |
| 100.0 | 6.4921 | 11.546 |
| 105.0 | 9.0346 | 16.175 |
| 110.0 | 10.107 | 18.214 |
| 115.0 | 9.7692 | 17.720 |
| 120.0 | 9.9690 | 18.199 |
| 125.0 | 11.853 | 21.774 |
| 130.0 | 13.806 | 25.521 |
Regression data of the VP curve:
intercept: 3.3766
slope: -1992.8178
R squared: 0.9010
Description of key information
VP at 20 °C = 0.000379 Pa
VP at 25 °C = 0.0004928 Pa
Key value for chemical safety assessment
- Vapour pressure:
- 0 Pa
- at the temperature of:
- 20 °C
Additional information
Knudsen cell: effusion method - OECD guideline 104
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.
