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EC number: 615-768-8 | CAS number: 72480-17-2
Melting point / freezing point
Administrative data
Link to relevant study record(s)
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- The study was conducted between 18 June 2015 and 02 September 2015
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP guideline study
- 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:
- other: Freezing temperature determination
- Melting / freezing pt.:
- < -20 °C
- Remarks on result:
- other: The test item did not freeze.
- Conclusions:
- The freezing temperature of the test item has been determined to be less than -20 °C (<253 K).
- Executive summary:
Melting/Freezing Temperature. Less than -20 °C (253 K) using a procedure, designed to be compatible with Method A1 Melting/Freezing Temperature of Commission Regulation (EC) No 440/2008 of 30 May 2008, and Method 102 of the OECD Guidelines for Testing of Chemicals, 27 July 1995.
Reference
Cooling data for Determinations 1 and 2 are shown in the following tables:
Determination A
Time (s) | Temperature (°C) | Time (s) | Temperature (°C) | Time (s) | Temperature (°C) |
0 | 20.0 | 930 | 1.0 | 1860 | -7.0 |
30 | 18.0 | 960 | 1.0 | 1890 | -8.0 |
60 | 17.0 | 990 | 1.0 | 1920 | -8.5 |
90 | 16.5 | 1020 | 1.0 | 1950 | -9.0 |
120 | 16.0 | 1050 | 0.5 | 1980 | -10.0 |
150 | 15.5 | 1080 | 0.0 | 2010 | -10.0 |
180 | 15.0 | 1110 | 0.0 | 2040 | -10.5 |
210 | 14.0 | 1140 | 0.0 | 2070 | -11.0 |
240 | 13.5 | 1170 | -0.5 | 2100 | -12.0 |
270 | 13.0 | 1200 | -1.0 | 2130 | -13.0 |
300 | 12.5 | 1230 | -1.0 | 2160 | -14.5 |
330 | 13.0 | 1260 | -1.5 | 2190 | -15.5 |
360 | 12.5 | 1290 | -1.5 | 2220 | -16.5 |
390 | 9.5 | 1320 | -1.0 | 2250 | -18.0 |
420 | 9.0 | 1350 | -1.0 | 2280 | -18.0 |
450 | 8.0 | 1380 | -1.0 | 2310 | -18.5 |
480 | 7.0 | 1410 | -1.5 | 2340 | -19.0 |
510 | 7.0 | 1440 | -1.5 | 2370 | -19.0 |
540 | 6.5 | 1470 | -2.0 | 2400 | -19.5 |
570 | 6.0 | 1500 | -2.5 | 2430 | -19.5 |
600 | 5.5 | 1530 | -2.5 | 2460 | -20.0 |
630 | 5.0 | 1560 | -2.5 | 2490 | -20.0 |
660 | 4.5 | 1590 | -2.5 | 2520 | -20.5 |
690 | 4.0 | 1620 | -3.0 | 2550 | -20.5 |
720 | 3.0 | 1650 | -4.0 | 2580 | -20.5 |
750 | 3.0 | 1680 | -4.5 | 2610 | -20.5 |
780 | 2.5 | 1710 | -4.5 | 2640 | -21.0 |
810 | 2.0 | 1740 | -5.0 | 2670 | -21.0 |
840 | 1.5 | 1770 | -5.5 | 2700 | -21.0 |
870 | 0.5 | 1800 | -6.0 | 2730 | -21.5 |
900 | 1.0 | 1830 | -6.5 | 2760 | -21.5 |
Observations: The test item did not freeze.
Result: Freezing temperature: <-20 °C (<253 K).
Determination B
Time (s) | Temperature (°C) | Time (s) | Temperature (°C) | Time (s) | Temperature (°C) |
0 | 22.0 | 690 | 1.0 | 1380 | -13.0 |
30 | 21.5 | 720 | 0.5 | 1410 | -14.0 |
60 | 20.5 | 750 | -0.5 | 1440 | -15.0 |
90 | 19.0 | 780 | -1.0 | 1470 | -16.0 |
120 | 17.0 | 810 | -1.5 | 1500 | -16.0 |
150 | 15.5 | 840 | -2.5 | 1530 | -17.0 |
180 | 14.5 | 870 | -3.0 | 1560 | -17.5 |
210 | 12.5 | 900 | -3.5 | 1590 | -17.5 |
240 | 11.0 | 930 | -4.0 | 1620 | -18.0 |
270 | 10.0 | 960 | -4.5 | 1650 | -18.0 |
300 | 8.5 | 990 | -5.0 | 1680 | -18.5 |
330 | 7.0 | 1020 | -5.0 | 1710 | -18.5 |
360 | 7.0 | 1050 | -6.0 | 1740 | -19.0 |
390 | 7.5 | 1080 | -6.5 | 1770 | -19.5 |
420 | 7.0 | 1110 | -7.0 | 1800 | -19.5 |
450 | 6.5 | 1140 | -7.5 | 1830 | -20.0 |
480 | 6.0 | 1170 | -7.5 | 1860 | -20.5 |
510 | 5.0 | 1200 | -8.0 | 1890 | -20.5 |
540 | 4.5 | 1230 | -8.5 | 1920 | -21.0 |
570 | 4.0 | 1260 | -9.0 | 1950 | -21.0 |
600 | 3.0 | 1290 | -9.0 | 1980 | -21.5 |
630 | 2.5 | 1320 | -10.0 | 2010 | -21.5 |
660 | 1.5 | 1350 | -11.0 | - | - |
Observations: The test item did not freeze.
Result: Freezing temperature: <-20 °C (<253 K).
Description of key information
Melting/Freezing Temperature. Less than -20 °C (253 K)
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 20 °C
Additional information
The melting point was determined using a procedure, designed to be compatible with Method A1 Melting/Freezing Temperature of Commission Regulation (EC) No 440/2008 of 30 May 2008, and Method 102 of the OECD Guidelines for Testing of Chemicals, 27 July 1995.
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