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EC number: 947-760-8 | CAS number: -
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
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Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 11 February 2017 to 15 February 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 017
- Report date:
- 2017
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Version / remarks:
- The determination was carried out using a procedure designed to be compatible with Method A.4 Vapour Pressure of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 104 of the OECD Guidelines for Testing of Chemicals.
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- other: Vapor pressure balance
Test material
- Reference substance name:
- 2-ethylhexyl 12-hydroxyoctadecanoate
- EC Number:
- 249-793-7
- EC Name:
- 2-ethylhexyl 12-hydroxyoctadecanoate
- Cas Number:
- 29710-25-6
- Molecular formula:
- C26H52O3
- IUPAC Name:
- 2-ethylhexyl 12-hydroxyoctadecanoate
Constituent 1
Results and discussion
Vapour pressureopen allclose all
- Key result
- Test no.:
- #1
- Temp.:
- ca. 25 °C
- Vapour pressure:
- ca. 0.128 Pa
- Key result
- Test no.:
- #2
- Temp.:
- ca. 70 °C
- Vapour pressure:
- ca. 0.15 Pa
- Key result
- Test no.:
- #3
- Temp.:
- ca. 140 °C
- Vapour pressure:
- ca. 2.3 Pa
Any other information on results incl. tables
The recorded temperatures and the calculated vapor pressure values for the preliminary run are shown in the following tables.
Preliminary Run Vapor Pressure Data:
Vapour Pressure (Pa) | Temperature (K) | Temperature (ºC) |
20 | 293.15 | 0.09862172 |
21 | 294.15 | 0.077547991 |
22 | 295.15 | 0.07439665 |
23 | 296.15 | 0.073174984 |
24 | 297.15 | 0.073619226 |
25 | 298.15 | 0.072994511 |
26 | 299.15 | 0.073827465 |
27 | 300.15 | 0.07450771 |
28 | 301.15 | 0.073882995 |
29 | 302.15 | 0.075118543 |
30 | 303.15 | 0.076062557 |
31 | 304.15 | 0.076770568 |
32 | 305.15 | 0.078811304 |
33 | 306.15 | 0.079560963 |
34 | 307.15 | 0.083975617 |
35 | 308.15 | 0.084364329 |
36 | 309.15 | 0.084739158 |
37 | 310.15 | 0.087376845 |
38 | 311.15 | 0.090958546 |
39 | 312.15 | 0.094790133 |
40 | 313.15 | 0.096580984 |
41 | 314.15 | 0.089153813 |
42 | 315.15 | 0.092541158 |
43 | 316.15 | 0.095970151 |
44 | 317.15 | 0.095664735 |
45 | 318.15 | 0.095775795 |
46 | 319.15 | 0.098191361 |
47 | 320.15 | 0.100107154 |
48 | 321.15 | 0.102453307 |
49 | 322.15 | 0.102508838 |
50 | 323.15 | 0.103425087 |
51 | 324.15 | 0.102592133 |
52 | 325.15 | 0.101606471 |
53 | 326.15 | 0.086405066 |
54 | 327.15 | 0.087918265 |
55 | 328.15 | 0.085988589 |
56 | 329.15 | 0.084267151 |
57 | 330.15 | 0.083267607 |
58 | 331.15 | 0.080560507 |
59 | 332.15 | 0.082281945 |
60 | 333.15 | 0.081601699 |
61 | 334.15 | 0.079838614 |
62 | 335.15 | 0.079908027 |
63 | 336.15 | 0.079449902 |
64 | 337.15 | 0.07954708 |
65 | 338.15 | 0.076742803 |
66 | 339.15 | 0.077547991 |
67 | 340.15 | 0.076465151 |
68 | 341.15 | 0.076548447 |
69 | 342.15 | 0.076062557 |
70 | 343.15 | 0.075687728 |
71 | 344.15 | 0.074021821 |
72 | 345.15 | 0.073744169 |
73 | 346.15 | 0.072383678 |
74 | 347.15 | 0.074271707 |
75 | 348.15 | 0.072855685 |
76 | 349.15 | 0.072064379 |
77 | 350.15 | 0.070912127 |
78 | 351.15 | 0.070148586 |
79 | 352.15 | 0.05494718 |
80 | 353.15 | 0.051657013 |
81 | 354.15 | 0.051282184 |
82 | 355.15 | 0.051448775 |
83 | 356.15 | 0.053350686 |
84 | 357.15 | 0.050296522 |
85 | 358.15 | 0.047672718 |
86 | 359.15 | 0.048838853 |
87 | 360.15 | 0.051240536 |
88 | 361.15 | 0.054544586 |
89 | 362.15 | 0.055558013 |
90 | 363.15 | 0.058237348 |
98 | 371.15 | 0.074007938 |
99 | 372.15 | 0.079463785 |
100 | 373.15 | 0.083739614 |
101 | 374.15 | 0.087668379 |
102 | 375.15 | 0.094220948 |
103 | 376.15 | 0.099732325 |
104 | 377.15 | 0.107964685 |
105 | 378.15 | 0.118098955 |
106 | 379.15 | 0.122222076 |
107 | 380.15 | 0.133522481 |
108 | 381.15 | 0.145697488 |
109 | 382.15 | 0.160468534 |
110 | 383.15 | 0.175017459 |
111 | 384.15 | 0.189913448 |
112 | 385.15 | 0.205281444 |
113 | 386.15 | 0.228548618 |
114 | 387.15 | 0.24860892 |
115 | 388.15 | 0.272958934 |
116 | 389.15 | 0.301626424 |
117 | 390.15 | 0.324352178 |
118 | 391.15 | 0.351159405 |
119 | 392.15 | 0.376078604 |
120 | 393.15 | 0.433746767 |
121 | 394.15 | 0.469355538 |
122 | 395.15 | 0.511766765 |
123 | 396.15 | 0.574738066 |
124 | 397.15 | 0.609291763 |
125 | 398.15 | 0.662156559 |
126 | 399.15 | 0.730472647 |
127 | 400.15 | 0.82130625 |
128 | 401.15 | 0.891899077 |
129 | 402.15 | 0.954620492 |
130 | 403.15 | 1.030891288 |
131 | 404.15 | 1.10351097 |
132 | 405.15 | 1.263424201 |
133 | 406.15 | 1.361809918 |
134 | 407.15 | 1.504203356 |
135 | 408.15 | 1.609030582 |
136 | 409.15 | 1.75196544 |
137 | 410.15 | 1.92714949 |
138 | 411.15 | 2.060658088 |
The direct values of the vapor pressure at 25 °C are shown in the following table:
Vapor Pressure Data at 25 °C:
Run | Mass Difference (μg) | Vapor Pressure (Pa) |
1 | 135.97 | 0.1887612 |
2 | 123.19 | 0.17101928 |
3 | 101.73 | 0.1412273 |
4 | 94.17 | 0.13073209 |
5 | 88.13 | 0.12234702 |
6 | 82.52 | 0.1145589 |
7 | 78.1 | 0.10842281 |
8 | 73.66 | 0.10225895 |
9 | 72.85 | 0.10113446 |
10 | 68.64 | 0.09528991 |
The direct values of the vapor pressure at 70 °C are shown in the following table:
Vapor Pressure Data at 70 °C:
Run | Mass Difference (μg) | Vapor Pressure (Pa) |
1 | 132.88 | 0.18447148 |
2 | 124.6 | 0.17297672 |
3 | 123.05 | 0.17082493 |
4 | 117.63 | 0.16330058 |
5 | 108.84 | 0.15109781 |
6 | 106.93 | 0.14844624 |
7 | 91.89 | 0.12756686 |
8 | 96.99 | 0.13464697 |
9 | 91.03 | 0.12637296 |
10 | 87.53 | 0.12151407 |
The direct values of the vapor pressure at 140 °C are shown in the following table:
Vapor Pressure Data at 140 °C:
Run | Mass Difference (μg) | Vapor Pressure (Pa) |
1 | 1687.85 | 2.3431682 |
2 | 1653.03 | 2.2948291 |
3 | 1745.95 | 2.4238259 |
4 | 1720.83 | 2.3889529 |
5 | 1629.57 | 2.2622607 |
6 | 1677.06 | 2.3281889 |
7 | 1615.66 | 2.24295 |
8 | 1619.18 | 2.2478367 |
9 | 1593.69 | 2.21245 |
10 | 1602.32 | 2.2244307 |
Applicant's summary and conclusion
- Conclusions:
- The vapor pressure of the test item has been determined at three temperatures: 0.128 Pa at 25 °C, 0.150 Pa at 70 °C, and 2.30 Pa at 140 °C.
- Executive summary:
The vapor pressure of the test item has been determined at three temperatures and the results are shown in the following table. The determination was carried out using a procedure designed to be compatible with Method A.4 Vapour Pressure of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 104 of the OECD Guidelines for Testing of Chemicals.
Temperature (°C) Temperature (K) Vapor Pressure (Pa) 25 298 70 70 343 0.15 140 413 2.3
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