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EC number: 700-772-5 | CAS number: 1190961-28-4
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 19 May 2011 - 02 April 2012
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: The study was performed according to guideline
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
- Report date:
- 2012
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- effusion method: vapour pressure balance
Test material
- Reference substance name:
- 1,6-bis({2,2-bis[(undecyloxy)methyl]butyl}) hexanedioate
- EC Number:
- 700-772-5
- Cas Number:
- 1190961-28-4
- Molecular formula:
- N/A - too complex
- IUPAC Name:
- 1,6-bis({2,2-bis[(undecyloxy)methyl]butyl}) hexanedioate
- Details on test material:
- - Substance type: Straw colored liquid
- Purity: 100% as UVCB
- Storage condition of test material: room temperature in the dark
Constituent 1
Results and discussion
Vapour pressure
- Temp.:
- 25 °C
- Vapour pressure:
- 0 Pa
- Remarks on result:
- other: extrapolated from plot of logPa vs. 1/K; quantity of vapour generated between 0 - 99C was too low to measure
Any other information on results incl. tables
A total of 10 runs were recorded. A summary of the results from 6 runs is shown in Table 1 below.
Table 1. Summary of Vapour Pressure Measurements
Run |
Log10 [Vp(25°C)] |
5 |
-4.22 |
6 |
-4.23 |
7 |
-4.37 |
8 |
-4.27 |
9 |
-4.20 |
10 |
-4.52 |
Mean |
-4.30 |
VaporPressure |
5.0x10 ^-5 Pa |
Applicant's summary and conclusion
- Conclusions:
- The vapour pressure of the substance is 0.00005 Pa at 25 degrees C.
- Executive summary:
The vapour pressure of the test substance was determined using the vapour pressure balance method following EU Method A.4 and OECD 104 guidelines. Measurements were taken between temperatures of 100 - 110 degrees C. This range of temperatures was selected because the quantity of vapor generated was too low to measure in the range of 0 - 99 degrees C.
A plot of logPa vs. 1/K was generated from the experimental measurements from which the vapour pressure at 25 degrees C was extrapolated.The vapour pressure of the test substance (based on five replicate measurements) is: 0.00005 Pa at 25 deg. C
The substance did not show a change in appearance under the conditions used in the determination.
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