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EC number: 701-003-6 | 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:
- 22 June 2016 to 14 October 2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Version / remarks:
- European Community (EC), EC no. 761/2009, Part A: Methods for the Determination of Physico-Chemical Properties, Guideline A.4: “Vapour Pressure", Official Journal of the European Union no. L220, August 24, 2009.
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Version / remarks:
- Organization for Economic Co-operation and Development (OECD), OECD Guidelines for the Testing of Chemicals no.104: "Vapour Pressure", March 23, 2006.
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7950 (Vapor Pressure)
- Version / remarks:
- United States Environmental Protection Agency (EPA), Product Properties Test Guidelines no. OPPTS 830.7950: "Vapor pressure", August 1996.
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- effusion method: isothermal thermogravimetry
- Specific details on test material used for the study:
- Batch: RC-1045Study specific test item informationPurity/composition correction factor: No correction factor requiredChemical name (IUPAC), synonym or trade name: Amides, tallow, N,N-bis(2-hydroxypropyl)CAS Number: 1454803-04-3Test item handling: No specific handling conditions required
- Key result
- Temp.:
- 20 °C
- Vapour pressure:
- 0 Pa
- Key result
- Temp.:
- 20 °C
- Vapour pressure:
- 0 mm Hg
- Key result
- Temp.:
- 25 °C
- Vapour pressure:
- 0 Pa
- Key result
- Temp.:
- 25 °C
- Vapour pressure:
- 0 mm Hg
- Conclusions:
- The vapour pressure of the test item at 20°C (293K) and 25°C (298K) was:2.1e-6 Pa (1.6e-8 mm Hg) at 20°C4.6e-6 Pa (3.5e-8 mm Hg) at 25°C
- Executive summary:
The purpose of the study was to determine the physico-chemical properties for MLA-3202.
The vapour pressure of the test item (PT) was determined by the isothermal thermogravimetric effusion method, in accordance with the following guidelines:
European Community (EC), EC no. 761/2009, Part A: Methods for the Determination of Physico-Chemical Properties, Guideline A.4: “Vapour Pressure", Official Journal of the European Union no. L220, August 24, 2009.
Organization for Economic Co-operation and Development (OECD), OECD Guidelines for the Testing of Chemicals no.104: "Vapour Pressure", March 23, 2006.
United States Environmental Protection Agency (EPA), Product Properties Test Guidelines no. OPPTS 830.7950: "Vapor pressure", August 1996.
The isothermal TGA effusion method was applied for the determination of the vapour pressure of MLA-3202.
The vapour pressure of the test item at 20°C (293K) and 25°C (298K) was:
2.1e-6 Pa (1.6e-8 mm Hg) at 20°C
4.6e-6 Pa (3.5e-8 mm Hg) at 25°C
Reference
Results of the isothermal TGA analysis
Temperature [°C] | Weight loss [μg/min] | νT [g/cm2/h] | LogνT | Log PT | PT [Pa] |
160
170
180
190
| 5.653 6.733
9.241 11.29
18.08 20.84
36.35 38.49 | 6.75 x 10-4 8.04 x 10-4
1.10 x 10-3 1.34 x 10-3
2.16 x 10-3 2.49 x 10-3
4.34 x 10-3 4.59 x 10-3 | -3.17 -3.09
-2.96 -2.87 -2.67 -2.60
-2.36 -2.34 | 0.93 1.02
1.18 1.27 1.51 1.58
1.86 1.88 | 8.6 10
15 19 32 38
72 77 |
Vapour pressure of the test item
Temperature [°C] | Log PT | PT [Pa] | PT [mm Hg] |
20
25 | -5.68
-5.34 | 2.1 x 10-6
4.6 x 10-6 | 1.6 x 10-8
3.5 c 10-8 |
Description of key information
Key value determined in a GLP accredited laboratory study by the isothermal thermogravimetric effusion method, in accordance with EU Method A.4,OECD Guideline.104and US EPA Procedure OPPTS 830.7950.
Key value for chemical safety assessment
- Vapour pressure:
- 0 Pa
- at the temperature of:
- 25 °C
Additional information
The isothermal TGA effusion method was applied for the determination of the vapour pressure of MLA-3202.
The vapour pressure of the test item at 20°C (293K) and 25°C (298K) was:
2.1e-6 Pa (1.6e-8 mm Hg) at 20°C
4.6e-6 Pa (3.5e-8 mm Hg) at 25°C
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