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EC number: 700-839-9 | CAS number: -
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:
- 21.04.2016 - 25.07.2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- 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: by loss of weight or by trapping vaporisate
- Specific details on test material used for the study:
- SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: 5-2-A
- Expiration date of the lot/batch: 14. Feb. 2017
- Purity test date:
STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: Room temperature
- Stability under test conditions: assumed to be stable - Temp.:
- ca. 318.2 K
- Vapour pressure:
- ca. 0.001 Pa
- Temp.:
- ca. 333.2 K
- Vapour pressure:
- ca. 0.006 Pa
- Temp.:
- ca. 348.2 K
- Vapour pressure:
- ca. 0.021 Pa
- Temp.:
- ca. 363.2 K
- Vapour pressure:
- ca. 0.061 Pa
- Key result
- Temp.:
- ca. 20 °C
- Vapour pressure:
- ca. 0 Pa
- Key result
- Temp.:
- ca. 25 °C
- Vapour pressure:
- ca. 0 Pa
- Conclusions:
- The vapour pressure of the test item was extrapolated to be 0.0000934 Pa at 20 °C.
- Executive summary:
The vapour pressure of Salacos 13 was determined following EU A.4 using the effusion method (weight loss).
Vapour pressure was examined at five different temperatures. Four temperatures could be evaluated as they showed reproducible weight loss. For these temperatures, 1/T was plotted against log (P).
The graph 1/T vs. log (P) shows a straight line with a correlation coefficient fo -0.9996.
For the test item Salacos 13, the following vapour pressures at 20 °C and at 25 °C were calculated from the regression equation:
Vapour pressure at 20°C: 9.34 * 10-05 Pa
Vapour pressure at 25°C: 1.65 * 10-04 Pa
Reference
Description of key information
vapour pressure determined in an experimental study according to OECD 104 resp. EU A.4
Key value for chemical safety assessment
- Vapour pressure:
- 0 Pa
- at the temperature of:
- 25 °C
Additional information
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