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EC number: 801-829-8 | CAS number: 1247790-47-1
Melting point / freezing point
Administrative data
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- From 6 March to 20 September 2013
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: According to the OECD Guideline and it is GLP.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 013
- Report date:
- 2013
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- method to determine freezing temperature
Test material
- Reference substance name:
- 3,6-dimethylheptan-2-ol
- EC Number:
- 801-829-8
- Cas Number:
- 1247790-47-1
- Molecular formula:
- C9H20O
- IUPAC Name:
- 3,6-dimethylheptan-2-ol
- Details on test material:
- - Physical state: clear colorless liquid
- Storage condition of test material: room temperature in the dark
Constituent 1
Results and discussion
Melting / freezing point
- Melting / freezing pt.:
- -20 °C
Any other information on results incl. tables
Determination 1
| Time (s) | Temperature (ºC) | Time (s) | Temperature (ºC) |
| 0 | 20.5 | 690 | -9.0 |
| 30 | 19.0 | 720 | -9.5 |
| 60 | 17.0 | 750 | -10.0 |
| 90 | 15.0 | 780 | -11.0 |
| 120 | 13.5 | 810 | -12.0 |
| 150 | 11.5 | 840 | -12.5 |
| 180 | 9.5 | 870 | -13.0 |
| 210 | 8.0 | 900 | -14.0 |
| 240 | 7.0 | 930 | -15.0 |
| 270 | 5.5 | 960 | -16.0 |
| 300 | 4.0 | 990 | -17.0 |
| 330 | 2.5 | 1020 | -17.5 |
| 360 | 1.5 | 1050 | -18.0 |
| 390 | 0.0 | 1080 | -18.5 |
| 420 | -1.0 | 1110 | -18.5 |
| 450 | -1.5 | 1140 | -19.0 |
| 480 | -2.5 | 1170 | -19.5 |
| 510 | -3.5 | 1200 | -19.5 |
| 540 | -4.5 | 1230 | -20.0 |
| 570 | -5.5 | 1260 | -20.0 |
| 600 | -6.0 | 1290 | -20.5 |
| 630 | -7.0 | 1320 | -21.0 |
| 660 | -8.0 |
Determination 2
| Time (s) | Temperature (ºC) | Time(s) | Temperature(ºC) |
| 0 | 20.0 | 720 | -8.5 |
| 30 | 18.0 | 750 | -9.0 |
| 60 | 16.0 | 780 | -10.0 |
| 90 | 14.0 | 810 | -11.0 |
| 120 | 12.0 | 840 | -12.0 |
| 150 | 10.0 | 870 | -12.5 |
| 180 | 9.0 | 900 | -13.5 |
| 210 | 7.5 | 930 | -14.0 |
| 240 | 6.5 | 960 | -15.0 |
| 270 | 5.5 | 990 | -15.5 |
| 300 | 4.5 | 1020 | -16.0 |
| 330 | 3.5 | 1050 | -17.0 |
| 360 | 2.5 | 1080 | -17.5 |
| 390 | 1.5 | 1110 | -18.0 |
| 420 | 0.5 | 1140 | -18.5 |
| 450 | -0.5 | 1170 | -18.5 |
| 480 | -1.5 | 1200 | -19.0 |
| 510 | -2.5 | 1230 | -19.5 |
| 540 | -3.0 | 1260 | -19.5 |
| 570 | -4.0 | 1290 | -20.0 |
| 600 | -5.0 | 1320 | -20.0 |
| 630 | -5.5 | 1350 | -20.5 |
| 660 | -6.5 | 1380 | -20.5 |
| 690 | -7.5 | 1410 | -21.0 |
Applicant's summary and conclusion
- Conclusions:
- The freezing temperature of the test item has been determined to be less than -20.0ºC.
- Executive summary:
Less than -20.0ºC (<253K), using a procedure designed to be compatible with Method A1 Melting/Freezing Temperature of Commission Regulation (EC) No 440/2008 and Method 102 of the OECD Guidelines for Testing of Chemicals.
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