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EC number: 289-348-4 | CAS number: 87788-32-7
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:
- This study was conducted between 25 November 2016 and 27 November 2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Information is derived from a reliable GLP study according to OECD TG 104 isoteniscope method.
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Version / remarks:
- 23 March 2006
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Version / remarks:
- EC No. 440/2008 of 30 May 2008
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- isoteniscope
- Specific details on test material used for the study:
- Identification: (μ(5-amino-1,3,3-trimethylcyclohexylamine-N,N')hexafluorodiboron
Appearance/Physical state: Clear colorless liquid
Batch: AEF0009100
Purity: Not supplied
Expiry date: 29 August 2017
Storage conditions: Room temperature in the dark - Key result
- Temp.:
- 25 °C
- Vapour pressure:
- 13 000 Pa
- Transition / decomposition:
- no
- Conclusions:
- The vapour pressure of μ(5-amino-1,3,3-trimethylcyclohexylamine-N,N')hexafluorodiboron was investigated using the isoteniscope method according to OECD TG 104, in a reliable GLP study. The vapour pressure was found to be 1.3 x 10^4 Pa @ 25 °C.
- Executive summary:
The vapor pressure of (μ(5-amino-1,3,3-trimethylcyclohexylamine-N,N')hexafluorodiboron has been determined to be 1.3 x 104 Pa at 25 °C, using the isoteniscope method, designed to be compatible with Method A.4 Vapour Pressure of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 104 of the OECD Guidelines for Testing of Chemicals, 23 March 2006.
Reference
RESULTS
RUN 1
A plot of Log10 (vapor pressure (Pa)) versus reciprocal temperature (1/T(K)) for Run 1 gives the following statistical data using an unweighted least squares treatment.
Slope : -2.17 x 103
Standard error in slope: 17.5
Intercept : 11.4
Standard error in intercept: 5.52 x 10-2
The results obtained indicate the following vapor pressure relationship:
Log10 (Vp (Pa)) = -2.17 x 103/temp(K) + 11.4
The above yields a vapor pressure (Pa) at 298.15 K with a common logarithm of 4.09.
RUN 2
A plot of Log10 (vapor pressure (Pa)) versus reciprocal temperature (1/T(K)) for Run 2 gives the following statistical data using an unweighted least squares treatment.
Slope: -2.05 x 103
Standard error in slope: 36.5
Intercept: 11.0
Standard error in intercept: 0.115
The results obtained indicate the following vapor pressure relationship:
Log10 (Vp (Pa)) = -2.05 x 103/temp(K) + 11.0
The above yields a vapor pressure (Pa) at 298.15 K with a common logarithm of 4.10.
RUN 3
A plot of Log10 (vapor pressure (Pa)) versus reciprocal temperature (1/T(K)) for Run 3 gives the following statistical data using an unweighted least squares treatment.
Slope: -1.86 x 103
Standard error in slope: 30.5
Intercept: 10.4
Standard error in intercept: 9.57 x 10-2
The results obtained indicate the following vapor pressure relationship:
Log10 (Vp (Pa)) = -1.86 x 103/temp(K) + 10.4
The above yields a vapor pressure (Pa) at 298.15 K with a common logarithm of 4.13.
Summary of Results
The values of vapor pressure at 25 °C extrapolated from each graph are summarized in the following table:
Table 1 Summary of Vapor Pressure Data
Run |
Log10 [Vp(25 ºC)] |
| 1 | 4.10 |
| 2 | 4.10 |
| 3 | 4.13 |
| Mean | 4.11 |
| Vapor Pressure | 1.29 x 104 Pa |
The test item did not change in appearance under the conditions used in the determination.
The results may represent rounded-off values obtained by calculations based on the exact raw data
Conclusion
The vapor pressure of the test item has been determined to be 1.3 x 104 Pa at 25 ºC.
Description of key information
Key value for chemical safety assessment
- Vapour pressure:
- 13 000 Pa
- at the temperature of:
- 25 °C
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