Registration Dossier
Registration Dossier
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EC number: 619-856-7 | CAS number: 1056196-56-5
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study with acceptable restrictions
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 007
- Report date:
- 2007
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Principles of method if other than guideline:
- Dynamic method under nitrogen
- GLP compliance:
- no
- Type of method:
- dynamic method
Test material
- Test material form:
- solid: particulate/powder
Constituent 1
- Specific details on test material used for the study:
- Purity: 99.6 %
Results and discussion
Vapour pressure
- Key result
- Temp.:
- 106.39 °C
- Vapour pressure:
- 0.49 hPa
Any other information on results incl. tables
Results
Temperature [°C] |
Vapour pressure (measurement) [hPa] |
Vapour pressure (calculation) [hPa] |
Aberration [%] |
106.39 |
0.49 |
0.496 |
-1.32 |
111.15 |
0.68 |
0.673 |
1.04 |
117.23 |
0.98 |
0.978 |
0.23 |
129.34 |
1.98 |
1.964 |
0.79 |
137.13 |
2.99 |
2.986 |
0.12 |
147.33 |
4.99 |
5.005 |
-0.31 |
154.38 |
6.99 |
7.014 |
-0.35 |
162.11 |
9.95 |
9.984 |
-0.34 |
178.59 |
20.02 |
20.085 |
-0.33 |
188.88 |
30.01 |
30.063 |
-0.18 |
202.73 |
50.01 |
49.936 |
0.15 |
212.48 |
70.02 |
69.830 |
0.27 |
223.34 |
99.96 |
99.527 |
0.43 |
246.54 |
200.0 |
200.01 |
-0.01 |
261.29 |
300.0 |
300.70 |
-0.23 |
The regression of the results leads with a mean deviation of 0.38 % to the following equation:
ln(p/hPa) = 10.0440 - 4807.25 / (165.98 + t/°C)
The measured values can not be extrapolated downwards to 20 °C, 25 °C and 50 °C, because the melting point (81.02 °C) is on the regression line.
Applicant's summary and conclusion
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.
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