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EC number: 948-778-9 | 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:
- 2019
- 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: Knudsen cell
- Specific details on test material used for the study:
- Test item identification: Trisodium (2S)-2,6-bis(3-carboxylato propanamido)hexanoate_Disuccinyl Lysine Sodium salt
Purity: 95.50 % w/w (from the Test Substance Data Sheet)
Batch number: 23ADB/50
Internal number: 1900140-001
Production date: November 22, 2018
Expiry date: November 21, 2023
Chemical name: Trisodium (2S)-2,6-bis(3-carboxylato propanamido)hexanoate_Disuccinyl Lysine Sodium salt - Temp.:
- ca. 20 °C
- Vapour pressure:
- 0.001 mm Hg
- Conclusions:
The test item vapour pressure can be estimated as follows:
P = 1.84 x 10 -1 Pa = 1.38 x 10 -3 mmHg at 20°C- Executive summary:
A test according to: OECD Guideline No. 104 and EC method A.4. was performed to determine the vapour pressure of the test item.
The test item vapour pressure can be estimated as follows:
P = 1.84 x 10 -1 Pa = 1.38 x 10 -3 mmHg at 20°C
Reference
Vapour pressure results:
Temperature |
m |
t [min] |
Temperature |
27.6 |
0.2392 |
80 |
300.75 |
33.6 |
0.2782 |
80 |
306.75 |
39.3 |
0.3272 |
80 |
312.45 |
46.4 |
0.3813 |
80 |
319.55 |
53.2 |
0.4304 |
80 |
326.35 |
61.1 |
0.5239 |
80 |
334.25 |
68.6 |
0.6565 |
80 |
341.75 |
1/Temperature |
m/ t |
Vapour pressure [Pa] |
log p |
3.33E-03 |
4.98E-11 |
2.33E-01 |
-0.6331 |
3.26E-03 |
5.80E-11 |
2.73E-01 |
-0.5632 |
3.20E-03 |
6.82E-11 |
3.25E-01 |
-0.4888 |
3.13E-03 |
7.94E-11 |
3.82E-01 |
-0.4174 |
3.06E-03 |
8.97E-11 |
4.36E-01 |
-0.3603 |
2.99E-03 |
1.09E-10 |
5.37E-01 |
-0.2697 |
2.93E-03 |
1.37E-10 |
6.81E-01 |
-0.1669 |
y =mx +q |
Parameterm |
Parameterq |
ParameterR2 |
-1131 |
3 |
0.99466 |
|
Extrapolation |
1/Temperature |
log p |
Vapour pressure [Pa] |
0.00341 |
-0.7344 |
1.84 x 10-1 |
Description of key information
The test item vapour pressure can be estimated as follows:
P = 1.84 x 10 -1 Pa = 1.38 x 10 -3 mmHg at 20°C
Key value for chemical safety assessment
- Vapour pressure:
- 0.184 Pa
- at the temperature of:
- 20 °C
Additional information
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