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EC number: 245-327-1 | CAS number: 22919-56-8
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:
- Dec 2018 - Jan 2019
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- static method
- Test no.:
- #1
- Temp.:
- ca. 20 °C
- Vapour pressure:
- ca. 2 625 Pa
- Conclusions:
- The average vapour pressure obtained for Octanoic acid, compound with 2,2',2''-nitrilotriethanol (1:1) was determined to be 2625 Pa @ 20°C.
- Executive summary:
The vapour pressure of Octanoic acid, compound with 2,2',2''-nitrilotriethanol (1:1) was determined by the Static method, conducted in accordance with the procedure described in EU Regulation (EC) 440/2008, Annex Part A test A4.
The average vapour pressure from 2 runs was found to be 2625 Pa at 20 degrees C.
Reference
Temp / °C |
Temp / K |
P / mbar |
**P / Pa |
Run 1 |
|||
20.0 |
293.15 |
26.3 |
2630 |
30.0 |
303.15 |
45.5 |
4550 |
40.0 |
313.15 |
75.8 |
7580 |
49.9 |
323.05 |
123.4 |
12340 |
60.0 |
333.15 |
198.1 |
19810 |
Run 2 |
|||
20.0 |
293.15 |
26.2 |
2620 |
30.0 |
303.15 |
45.2 |
4520 |
40.0 |
313.15 |
76.6 |
7660 |
50.0 |
323.15 |
124.5 |
12450 |
59.9 |
333.05 |
196.5 |
19650 |
** - Calculated
Result : 2625 Pa at 20°C (mean of runs 1 & 2)
Description of key information
The vapour pressure of Octanoic acid, compound with 2,2',2''-nitrilotriethanol (1:1) was determined using the Static method. The test was conducted in accordance with the procedure described in EU Regulation (EC) 440/2008, Annex Part A test A.4 and assigned a reliability score of 1 in accordance with the criteria for assessing data quality set forth by Klimisch et al (1997).
The average vapour pressure obtained for Octanoic acid, compound with 2,2',2''-nitrilotriethanol (1:1) was determined to be 2625 Pa at 20 degrees C.
Key value for chemical safety assessment
- Vapour pressure:
- 2 625 Pa
- at the temperature of:
- 20 °C
Additional information
The vapour pressure of Octanoic acid, compound with 2,2',2''-nitrilotriethanol (1:1) was determined to be 2625 Pa @ 20°C (mean result of 2 runs).
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