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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 228-067-3 | CAS number: 6107-56-8
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:
- 02 May 2018 to 25 May 2018
- 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:
- Not reported
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Version / remarks:
- Not reported
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- effusion method: isothermal thermogravimetry
- Test no.:
- #2
- Temp.:
- 25 °C
- Vapour pressure:
- 0 Pa
- Test no.:
- #3
- Temp.:
- 25 °C
- Vapour pressure:
- 0 Pa
- Temp.:
- 25 °C
- Vapour pressure:
- 0 Pa
- Remarks on result:
- other: Mean vapour pressure
- Conclusions:
- The vapour pressure of the test item was determined to be 1 x 10-4 Pa at 25 °C.
- Executive summary:
The vapour pressure of the test item was determined in a study following OECD 104 and EC Method A.4 guidelines, using the effusion method. The vapour pressure of the test item was determined to be 1 x 10-4 Pa at 25 °C.
The study is a GLP compliant, guideline experimental study and is fully acceptable for assessment of this endpoint.
Reference
For run 1, there was initial high weight losses at lower temperatures. This was indicative of degassing of the sample. Only the data from runs 2 and 3 have therefore been used for calculations.
Table 1: A summary of the run 2 and 3 results
| Parameter | Run 2 | Run 3 |
| Correlation (R2) | 0.9941 | 0.9965 |
| Slope | -4134 | -4490 |
| Intercept | 10.19 | 10.90 |
| log10PT at 25 °C | -3.7 | -4.2 |
| PT (Pa) at 25 °C | 0.00021 | 0.000069 |
Table 2: Vapour Pressure Measurements (Run 2)
| Temperature (°C) | Evaporation rate, VT (g/minute) | log10VT | log10PT |
| 118.63 | 0.0000002613 | -4.098 | -0.3745 |
| 123.61 | 0.0000003556 | -3.964 | -0.2313 |
| 128.59 | 0.0000004873 | -3.827 | -0.0849 |
| 133.58 | 0.0000006356 | -3.712 | 0.0386 |
| 138.56 | 0.0000007712 | -3.628 | 0.1285 |
Table 3: Vapour Pressure Measurements (Run 3)
| Temperature (°C) | Evaporation rate, VT(g/minute) | log10VT | log10PT |
| 123.64 | 0.0000002342 | -4.145 | -0.4253 |
| 128.61 | 0.0000003325 | -3.993 | -0.2625 |
| 133.58 | 0.0000004368 | -3.874 | -0.1357 |
| 138.55 | 0.0000005693 | -3.759 | -0.01259 |
Description of key information
The vapour pressure of the test item was determined to be 1 x 10-4 Pa at 25 °C.
Key value for chemical safety assessment
- Vapour pressure:
- 0 Pa
- at the temperature of:
- 25 °C
Additional information
The vapour pressure of the test item was determined in a study following OECD 104 and EC Method A.4 guidelines, using the effusion method.
The study is a GLP compliant, guideline experimental study and is fully acceptable for assessment of this endpoint.
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.
