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EC number: 701-025-6 | CAS number: 26038-87-9
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:
- 13 July 2017 - 28 July 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- effusion method: isothermal thermogravimetry
- Key result
- Temp.:
- 20 °C
- Vapour pressure:
- < 0 Pa
- Temp.:
- 25 °C
- Vapour pressure:
- < 0 Pa
- Conclusions:
- The vapour pressure of Reaction products of monoethanolamine and boric acid (1:1) in a EU Method A.4 study conducted under GLP condition was determined to be < 1.3 x 10(-8) Pa and < 3.9 x 10(-8) Pa at 20°C (293K) and 25°C (298K) respectively.
- Executive summary:
The isothermal TGA effusion method was applied for the determination of the vapour pressure of MEA Polyborate 1:1.
The vapour pressure of the test item at 20°C (293K) and 25°C (298K) was:
20°C
25°C
[Pa]
[mm Hg]
[Pa]
[mm Hg]
Test item
< 1.3x10-8
< 1.0x10-10
< 3.9x10-8
< 3.0x10-10
Reference
Table 1
Results
of the Vapour pressure Isothermal TGA Analysis
Temperature |
Weight loss |
νT |
logνT |
logPT |
PT |
200 |
6.72418 |
8.03 x 10-4 |
-3.10 |
1.08 |
12 |
|
5.33713 |
6.37 x 10-4 |
-3.20 |
0.96 |
9.0 |
205 |
6.52893 |
7.79 x 10-4 |
-3.11 |
1.07 |
12 |
|
5.66605 |
6.76 x 10-4 |
-3.17 |
0.99 |
9.8 |
210 |
6.54967 |
7.82 x 10-4 |
-3.11 |
1.07 |
12 |
|
5.82232 |
6.95 x 10-4 |
-3.16 |
1.00 |
10 |
215 |
6.54106 |
7.81 x 10-4 |
-3.11 |
1.07 |
12 |
|
5.57015 |
6.65 x 10-4 |
-3.18 |
0.98 |
9.5 |
220 |
6.26037 |
7.47 x 10-4 |
-3.13 |
1.04 |
11 |
|
5.47011 |
6.53 x 10-4 |
-3.19 |
0.97 |
9.3 |
225 |
5.58645 |
6.67 x 10-4 |
-3.18 |
0.98 |
9.6 |
|
4.50574 |
5.38 x 10-4 |
-3.27 |
0.86 |
7.3 |
230 |
4.57443 |
5.46 x 10-4 |
-3.26 |
0.87 |
7.4 |
|
3.73337 |
4.46 x 10-4 |
-3.35 |
0.76 |
5.8 |
Description of key information
The vapour pressure of Reaction products of monoethanolamine and boric acid (1:1) in a EU Method A.4 study conducted under GLP condition was determined to be < 1.3 x 10(-8) Pa and < 3.9 x 10(-8) Pa at 20°C (293K) and 25°C (298K) respectively.
Key value for chemical safety assessment
- Vapour pressure:
- 0 Pa
- at the temperature of:
- 20 °C
Additional information
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