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EC number: 412-280-5 | CAS number: 2511-00-4 POIRENATE
Melting point / freezing point
Administrative data
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- From 28 October 1991 to 3 April 1992
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: According to the EEC Method A1 and it is GLP.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 992
- Report date:
- 1992
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: British Standard 4633:1970
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- method to determine freezing temperature
Test material
- Reference substance name:
- Ethyl 2-cyclohexylpropionate
- EC Number:
- 412-280-5
- EC Name:
- Ethyl 2-cyclohexylpropionate
- Cas Number:
- 2511-00-4
- Molecular formula:
- C11H20O2
- IUPAC Name:
- ethyl 2-cyclohexylpropanoate
- Details on test material:
- - Physical state: clear, colourless liquid
- Storage condition of test material: Dark at 4ºC
Constituent 1
Results and discussion
Melting / freezing point
- Melting / freezing pt.:
- -36.5 °C
Any other information on results incl. tables
The freezing point of a substance is the temperature at which five consecutive readings are constant. In both runs, a steady decrease in temperature was observed down to -34.0ºC in preliminary test 1 and down to -35.5ºC in preliminary test 2. At the end of the tests, the test substance was a viscous liquid. the corrected results (for thermometer calibration of +1ºC) are -35.5ºC and 36.5ºC. Therefore, the freezing point of the test substance has been to be less than -36.5ºC.
| Table 1 | |
| Analytical data: freezing point, run 1 | |
| Thermometer range -80 to +20ºC | |
| Time (s) | Temperature (ºC) |
| 0 | 15 |
| 30 | 11 |
| 60 | 8 |
| 90 | 4 |
| 120 | 1 |
| 150 | -1 |
| 180 | -3 |
| 210 | -5,5 |
| 240 | -7 |
| 270 | -10 |
| 300 | -11,5 |
| 330 | -13,5 |
| 360 | -15 |
| 390 | -16,5 |
| 420 | -17,5 |
| 450 | -19 |
| 480 | -20 |
| 510 | -21 |
| 540 | -22 |
| 570 | -23 |
| 600 | -24 |
| 630 | -25 |
| 660 | -25,5 |
| 690 | -26,5 |
| 720 | -27,5 |
| 750 | -28 |
| 780 | -28,5 |
| 810 | -29 |
| 840 | -29,5 |
| 870 | -30 |
| 900 | -30,5 |
| 930 | -31 |
| 960 | -31,5 |
| 990 | -32 |
| 1020 | -32 |
| 1050 | -32 |
| 1080 | -32,5 |
| 1110 | -33 |
| 1140 | -33 |
| 1170 | -33 |
| 1200 | -33,5 |
| 1230 | -34 |
| 1260 | -34 |
| Table 2 | |
| Analytical data: freezing point, run 2 | |
| Thermometer range -80 to +20ºC | |
| Time(s) | Temperature |
| 0 | 12 |
| 30 | 8 |
| 60 | 3 |
| 90 | -0,5 |
| 120 | -3,5 |
| 150 | -7 |
| 180 | -9 |
| 210 | -11,5 |
| 240 | -14,5 |
| 270 | -16,5 |
| 300 | -18,5 |
| 330 | -20,5 |
| 360 | -22 |
| 390 | -24 |
| 420 | -25 |
| 450 | -26,5 |
| 480 | -28 |
| 510 | -29,5 |
| 540 | -30 |
| 570 | -31,5 |
| 600 | -32 |
| 630 | -33 |
| 660 | -34 |
| 690 | -34,5 |
| 720 | -35,5 |
Applicant's summary and conclusion
- Conclusions:
- The test substance has a freezing point below -36.5ºC
- Executive summary:
The study was performed to determine the freezing point of the substance. The method followed was EEC Method A1. The test substance has a freezing point below -36.5ºC
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