Registration Dossier
Registration Dossier
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EC number: 232-102-8 | CAS number: 7786-67-6
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- migrated information: read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 006
- Report date:
- 2006
Materials and methods
Test guideline
- Guideline:
- other: measured
- GLP compliance:
- no
- Type of method:
- dynamic method
- Remarks:
- (under nitrogen)
Test material
- Reference substance name:
- Isopulegol
- EC Number:
- 201-940-6
- EC Name:
- Isopulegol
- Cas Number:
- 89-79-2
- IUPAC Name:
- 2-isopropenyl-5-methylcyclohexanol
- Reference substance name:
- 5-methyl-2-(1-methylvinyl)cyclohexan-1-ol
- EC Number:
- 232-102-8
- EC Name:
- 5-methyl-2-(1-methylvinyl)cyclohexan-1-ol
- Cas Number:
- 7786-67-6
- Molecular formula:
- C10H18O
- IUPAC Name:
- 5-methyl-2-(prop-1-en-2-yl)cyclohexan-1-ol
- Details on test material:
- Name of test material (as cited in study report): Isopulegol
Analytical purity: 98.2%, 0.57% isomer Isopulegol.
Constituent 1
Constituent 2
Results and discussion
Vapour pressureopen allclose all
- Temp.:
- 20 °C
- Vapour pressure:
- 0.14 hPa
- Remarks on result:
- other: extrapolated value
- Temp.:
- 43.61 °C
- Vapour pressure:
- 0.95 hPa
- Remarks on result:
- other: measured value
Any other information on results incl. tables
The value at 20° C is extrapolated by means of the Antoine equation.
ln (p/bar) = 9.3798 - 3684.09/ (181.80 + t)
Measured values:
| Temperature in °C | Vapour pressure in hPa |
| 43.61 | 0.95 |
| 54.61 | 2.02 |
| 60.88 | 3.02 |
| 69.30 | 5.02 |
| 75.18 | 7.02 |
| 81.62 | 9.97 |
| 95.42 | 20.0 |
| 104.09 | 30.0 |
| 115.85 | 50.0 |
| 124.15 | 70 |
| 133.45 | 99.9 |
| 453.34 | 199.9 |
| 166.20 | 299.9 |
| 183.90 | 499.4 |
| 196.61 | 699.6 |
| 211.66 | 1013.0 |
Applicant's summary and conclusion
- Conclusions:
- The vapor pressure is 0.95 hPa at 43.61 °C and by extrapolation is 0.1397 hPa at 20 °C
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