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EC number: 695-076-0 | CAS number: 1334513-02-8
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 01 November 2012-05 November 2012
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 013
- Report date:
- 2013
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- effusion method: vapour pressure balance
Test material
- Reference substance name:
- Propan-2-yl N-[(S)-(pentafluorophenoxy)(phenoxy)-phosphoryl]-L-alanine
- EC Number:
- 695-076-0
- Cas Number:
- 1334513-02-8
- Molecular formula:
- C18H17F5NO5P
- IUPAC Name:
- Propan-2-yl N-[(S)-(pentafluorophenoxy)(phenoxy)-phosphoryl]-L-alanine
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
- Details on test material:
- - Name of test material (as cited in study report): GS-606962
- Substance type: organic
- Physical state: white powder
- Lot/batch No.: PSI-172(2)-1-1-12001
- Storage condition of test material: room temperature in the dark
Constituent 1
Results and discussion
Vapour pressure
- Temp.:
- 25 °C
- Vapour pressure:
- 0 Pa
Any other information on results incl. tables
The values of vapor presure at 25°C extrapolated from each graph are summarized in the following table:
Table - Summary of Vapor Pressure Data
| Run | log10[Vp(25°C)] |
| 1 | -10.3 |
| 2 | -4.88 |
| 3 | -4.42 |
| 4 | -4 .34 |
| 5 | -4.29 |
| 6 | -4.42 |
| 7 | -4.28 |
| 8 | -4.69 |
| 9 | -4.44 |
| 10 | -4.30 |
| Mean | -4.45 |
| Vapor Pressure | 3.5 x 10-5 |
The test item did not change in appearance under the conditions used in the determination.
Discussion
A total of ten runs were completed for the main sequence. Equilibrium with regards to vapor pressure was assessed to have been reached over the final nine runs. Thus the final nine runs have been used to calculate the definitive vapor pressure value for the test item.
Applicant's summary and conclusion
- Conclusions:
- The vapor pressure of the test item has been determined to be 3.5 x 10-5 at 25°C, using the vapor pressure balance method.
- Executive summary:
Vapour pressure
The vapor pressure of GS-606962 has been determined to be 3.5 x 10-5 Pa at 25°C, using the vapor pressure balance 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.
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