Registration Dossier
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EC number: 260-152-0 | CAS number: 56396-10-2
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:
- The study was conducted between 13 September 2000 and 7 December 2000.
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- effusion method: vapour pressure balance
- Specific details on test material used for the study:
- Identity: ST463.
Appearance: magenta powder
Storage conditions: room temperature
Batch number: 6558
Expiry date: August 2001
Purity: 99.4%
Date received: 1 August 2000 - Key result
- Temp.:
- 25 °C
- Vapour pressure:
- 0 Pa
- Conclusions:
- The vapour pressure of the substance is 5 x 10-9 Pa at 25°C.
- Executive summary:
The vapour pressure of the substance was determined using a vapour pressure balance. The study was conducted to EEC Method A1 and OECD Method No. 104.
The vapour pressure of the substance was determined to be 5 x 10-9 Pa at 25°C.
Reference
Summary of Results:
|
Run 1 |
Run 2 |
Run 3 |
Run 4 |
Run 5 |
Run 6 |
Correlation |
-0.9617 |
-0.9192 |
-0.9901 |
-0.8902 |
-0.9767 |
-0.9847 |
Slope |
-3901 |
-3147 |
-4428 |
-2545 |
-4300 |
-4545 |
Intercept |
6.098 |
4.176 |
6.657 |
2.383 |
6.231 |
6.562 |
VP (Pa) at 25°C |
1.03 x 10-7 |
4.16 x 10-7 |
6.40 x 10-9 |
7.04 x 10-7 |
6.45 x 10-9 |
2.08 x 10-9 |
Runs 1, 2 and 4 are disregarded due to the poor linear relationship obtained and evidence of degassing.
The mean vapour pressure of 5 x 10-9 Pa at 25°C is obtained from the three linear plots (Runs 3, 5 and 6).
Description of key information
The vapour pressure of the substance was determined using a vapour pressure balance. The study was conducted to EEC Method A1 and OECD Method No. 104.
The vapour pressure of the substance was determined to be 5 x 10-9 Pa at 25°C.
Key value for chemical safety assessment
- Vapour pressure:
- 0 Pa
- at the temperature of:
- 25 °C
Additional information
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.
