Registration Dossier
Registration Dossier
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EC number: 207-434-1 | CAS number: 471-01-2
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: scientifically acceptable study with detailed documentation
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 988
- Report date:
- 1988
Materials and methods
Test guideline
- Guideline:
- other: measured
- GLP compliance:
- no
- Type of method:
- dynamic method
- Remarks:
- under nitrogen atmosphere
Test material
- Reference substance name:
- 3,5,5-trimethylcyclohex-3-en-1-one
- EC Number:
- 207-434-1
- EC Name:
- 3,5,5-trimethylcyclohex-3-en-1-one
- Cas Number:
- 471-01-2
- Molecular formula:
- C9H14O
- IUPAC Name:
- 3,5,5-trimethylcyclohex-3-en-1-one
- Details on test material:
- name of test material (as cited in study report): beta-Isophoron
Analytical purity: 96,7%
Constituent 1
Results and discussion
Vapour pressureopen allclose all
- Temp.:
- 23.09 °C
- Vapour pressure:
- 0.965 hPa
- Remarks on result:
- other: measured value
- Temp.:
- 54 °C
- Vapour pressure:
- 7.003 hPa
- Remarks on result:
- other: measured value
Transition / decomposition
- Transition / decomposition:
- yes
- Transition temp.:
- 101.97 °C
- Vapour pressure at 10°C above transition temperature:
- 100.04 hPa
- Vapour pressure at 20°C above transition temperature:
- 144.64 hPa
Any other information on results incl. tables
The regression of the results leads with a mean deviation of 0.26% to the following equotation:
ln p (bar) =A+B/(C+T)
| temperature t[°C] |
pressure (exp.) p[hPa] |
pressure (calc.) p[hPa] |
dev [%] |
| 23,90 | 0,965 | 0,968 | -0,2685 |
| 33,43 | 1,994 | 1,985 | 0,4348 |
| 39,76 | 2,996 | 2,994 | 0,0822 |
| 54,00 | 7,003 | 7,018 | -0,2077 |
| 60,43 | 9,998 | 10,012 | -0,1360 |
| 82,39 | 23,980 | 29,952 | 0,0937 |
| 101,97 | 70,000 | decomposition starts | |
| 110,60 | 100,400 | ||
| 143,32 | 299,900 | ||
| 173,78 | |||
| 181,00 | 700,000 | ||
| 71,00 | 849,900 | ||
| 188,38 | 1000,150 | ||
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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