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EC number: 244-435-6 | CAS number: 21544-03-6
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:
- Experimental starting date: 21 May 2014 and Experimental Completion date: 24 September 2014
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Version / remarks:
- 27 July 1995
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Version / remarks:
- 30 May 2008
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- method to determine freezing temperature
- Key result
- Melting / freezing pt.:
- < -20 °C
- Decomposition:
- no
- Remarks on result:
- other: Observation: The test item became increasingly viscous during cooling Result: Freezing temperature: Less than - 20°C (<253K)
- Conclusions:
- Melting/Freezing Temperature: Less than -20°C (<253 K)
- Executive summary:
Melting/Freezing Temperature: Less than -20°C (<253 K) using BS4633: Method for the determination of Crystallizing Point, designed to be compatible with Method A1 Melting/Freezing Temperature of Commission Regulation (EC) N°440/2008 of 30 May 2008 and Method 102 of the OECD Guidelines for Testing of Chemicals, 27 July 1995.
Reference
RESULTS:
Cooling data for Determinations 1 and 2 are shown in the following tables:
Determination 1.
| Times (s) | Temperature (°C) | Time (s) | Temperature (°C) | Time (s) | Temperature (°C) |
| 0 | 20.0 | 1200 | 8.0 | 2400 | -8.5 |
| 30 | 19.0 | 1230 | 7.5 | 2430 | -9.0 |
| 60 | 18.5 | 1260 | 7.5 | 2460 | -10.0 |
| 90 | 17.0 | 1290 | 7.5 | 2490 | -10.0 |
| 120 | 16.5 | 1320 | 7.5 | 2520 | -10.0 |
| 150 | 16.0 | 1350 | 7.0 | 2550 | -10.0 |
| 180 | 16.0 | 1380 | 7.0 | 2580 | -10.5 |
| 210 | 15.5 | 1410 | 7.0 | 2610 | -11.0 |
| 240 | 15.0 | 1440 | 7.0 | 2640 | -11.5 |
| 270 | 14.5 | 1470 | 6.5 | 2670 | -12.0 |
| 300 | 14.5 | 1500 | 6.5 | 2700 | -12.5 |
| 330 | 13.5 | 1530 | 6.0 | 2730 | -13.0 |
| 360 | 13.5 | 1560 | 5.5 | 2760 | -13.5 |
| 390 | 13.5 | 1590 | 5.5 | 2790 | -13.5 |
| 420 | 13.0 | 1620 | 5.5 | 2820 | -14.0 |
| 450 | 13.0 | 1650 | 5.5 | 2850 | -14.5 |
| 480 | 12.5 | 1680 | 5.0 | 2880 | -14.5 |
| 510 | 12.5 | 1710 | 4.0 | 2910 | -15.0 |
| 540 | 12.0 | 1740 | 3.5 | 2940 | -15.0 |
| 570 | 12.0 | 1770 | 3.0 | 2970 | -16.0 |
| 600 | 11.5 | 1800 | 3.0 | 3000 | -16.0 |
| 630 | 11.5 | 1830 | 2.0 | 3030 | -16.5 |
| 660 | 11.0 | 1860 | 1.5 | 3060 | -17.0 |
| 690 | 11.0 | 1890 | 1.0 | 3090 | -17.0 |
| 720 | 10.5 | 1920 | 0 | 3120 | -17.5 |
| 750 | 10.5 | 1950 | -1.5 | 3150 | -18.0 |
| 780 | 10.0 | 1980 | -2.0 | 3180 | -18.5 |
| 810 | 10.0 | 2010 | -3.0 | 3210 | -18.5 |
| 840 | 10.0 | 2040 | -3.5 | 3240 | -19.0 |
| 870 | 9.5 | 2070 | -4.0 | 3270 | -19.0 |
| 900 | 9.5 | 2100 | -4.5 | 3300 | -19.5 |
| 930 | 9.5 | 2130 | -5.0 | 3330 | -19.5 |
| 960 | 9.0 | 2160 | -6.0 | 3360 | -20.0 |
| 990 | 9.0 | 2190 | -6.0 | 3390 | -20.0 |
| 1020 | 9.0 | 2220 | -7.0 | 3420 | -20.0 |
| 1050 | 8.5 | 2250 | -7.0 | 3450 | -20.5 |
| 1080 | 8.5 | 2280 | -7.0 | 3480 | -20.5 |
| 1110 | 8.5 | 2310 | -7.5 | 3510 | -20.5 |
| 1140 | 8.0 | 2340 | -8.0 | 3540 | -21.0 |
| 1170 | 8.0 | 2370 | -8.0 | 3570 | -21.5 |
Observation: The test item became increasingly viscous during cooling
Result: Freezing temperature: Less than - 20°C (<253K)
DETERMINATION 2:
| Times (s) | Temperature (°C) | Time (s) | Temperature (°C) | Time (s) | Temperature (°C) |
| 0 | 21.5 | 960 | 3.5 | 1920 | -12.5 |
| 30 | 20.5 | 990 | 3.0 | 1950 | -13.0 |
| 60 | 20.0 | 1020 | 2.5 | 1980 | -13.5 |
| 90 | 19.5 | 1050 | 2.0 | 2010 | -14.0 |
| 120 | 19.0 | 1080 | 2.0 | 2040 | -14.0 |
| 150 | 18.0 | 1110 | 1.0 | 2070 | -14.5 |
| 180 | 17.5 | 1140 | 0.5 | 2100 | -16.0 |
| 210 | 17.0 | 1170 | 0 | 2130 | -16.0 |
| 240 | 16.0 | 1200 | 0 | 2160 | -17.0 |
| 270 | 15.5 | 1230 | -0.5 | 2190 | -17.0 |
| 300 | 14.5 | 1260 | -1.0 | 2220 | -17.5 |
| 330 | 14.0 | 1290 | -2.0 | 2250 | -17.5 |
| 360 | 13.0 | 1320 | -2.5 | 2280 | -18.0 |
| 390 | 12.5 | 1350 | -3.0 | 2310 | -18.5 |
| 420 | 12.0 | 1380 | -3.5 | 2340 | -18.5 |
| 450 | 11.0 | 1410 | -3.5 | 2370 | -18.5 |
| 480 | 10.5 | 1440 | -4.0 | 2400 | -19.0 |
| 510 | 10.0 | 1470 | -4.5 | 2430 | -19.0 |
| 540 | 9.0 | 1500 | -5.5 | 2460 | -19.0 |
| 570 | 8.5 | 1530 | -6.0 | 2490 | -19.0 |
| 600 | 8.0 | 1560 | -6.5 | 2520 | -19.5 |
| 630 | 7.5 | 1590 | -7.0 | 2550 | -19.5 |
| 660 | 7.0 | 1620 | -7.5 | 2580 | -19.5 |
| 690 | 7.0 | 1650 | -7.5 | 2610 | -19.5 |
| 720 | 6.5 | 1680 | -8.0 | 2640 | -20.0 |
| 750 | 6.0 | 1710 | -8.5 | 2670 | -20.0 |
| 780 | 5.5 | 1740 | -9.0 | 2700 | -20.0 |
| 810 | 5.0 | 1770 | -10.0 | 2730 | -20.5 |
| 840 | 5.0 | 1800 | -10.0 | 2760 | -20.5 |
| 870 | 4.5 | 1830 | -11.0 | 2790 | -21.0 |
| 900 | 4.0 | 1860 | -12.0 | 2820 | -21.0 |
| 930 | 3.5 | 1890 | -12.5 | 2850 | -21.5 |
Observation: The test item became increasingly viscous during cooling
Result: Freezing temperature: Less than - 20°C (<253K)
Description of key information
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- -20 °C
Additional information
Melting/Freezing Temperature:Less than -20°C (<253 K) using BS4633: Method for the determination of Crystallizing Point, designed to be compatible with Method A1 Melting/Freezing Temperature of Commission Regulation (EC) N°440/2008 of 30 May 2008 and Method 102 of the OECD Guidelines for Testing of Chemicals, 27 July 1995.
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