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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 204-465-2 | CAS number: 121-33-5
Vapour pressure
Administrative data
Link to relevant study record(s)
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- data from handbook or collection of data
- Remarks:
- No test substance information, no guideline, secondary literature, but reference handbook.
- Guideline:
- other: no data
- Temp.:
- 24.1 °C
- Vapour pressure:
- 0 hPa
- Temp.:
- 59.9 °C
- Vapour pressure:
- 0.019 hPa
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- data from handbook or collection of data
- Remarks:
- No test substance information, no guideline, secondary literature, but reference handbook.
- Guideline:
- other: no data
- Temp.:
- 107 °C
- Vapour pressure:
- 1.33 hPa
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- data from handbook or collection of data
- Remarks:
- No test substance information, no guideline, secondary literature, but reference handbook and database.
- Guideline:
- other: no data
- Temp.:
- 25 °C
- Vapour pressure:
- 0.003 hPa
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- study well documented, meets generally accepted scientific principles, acceptable for assessment
- Principles of method if other than guideline:
- Measure: Gas Chromatography determination
New developed model based on experimental data versus values from literature linear relationship was studied. For n= 22 compounds, the R-square is equal 99.4 % and the Standard Error estimation is 0.141. - GLP compliance:
- not specified
- Type of method:
- other: gas chromatography
- Temp.:
- 25 °C
- Vapour pressure:
- 0.004 hPa
Referenceopen allclose all
Description of key information
The different values reported are the following:
0.00027198 hPa at 24.1°C
0.0029 hPa at 25°C
0.00446 hPa at 25°C
0.01866 hPa at 59.9°C
0.17hPa at 65°C
1.33hPa at 107°C
Key value for chemical safety assessment
- Vapour pressure:
- 0.3 Pa
- at the temperature of:
- 20 °C
Additional information
Data available come from different Handbooks. No key study is selected and a "weight of evidence" approach is applied.
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.
