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EC number: 800-172-4 | CAS number: 398141-87-2
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:
- Testing was conducted between 27 October 2011 and 9 November 2011.
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: see 'Remark'
- Remarks:
- Study conducted in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not affect the quality of the relevant results. The study report was conclusive, done to a valid guideline and the study was conducted under GLP conditions.
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- method to determine freezing temperature
- Melting / freezing pt.:
- < 253 K
- Decomposition:
- no
- Sublimation:
- no
- Remarks on result:
- other: No atmospheric pressure was recorded for this endpoint.
- Conclusions:
- The freezing temperature of the test item has been determined to less than -20.0°C (<253 K).
- Executive summary:
- 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) No 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
Time(s) |
Temperature (°C) |
Time(s) |
Temperature (°C) |
0 |
21.0 |
1020 |
-11.0 |
30 |
20.0 |
1050 |
-11.5 |
60 |
19.0 |
1080 |
-11.5 |
90 |
18.0 |
1110 |
-11.5 |
120 |
17.0 |
1140 |
-12.0 |
150 |
15.0 |
1170 |
-12.0 |
180 |
14.0 |
1200 |
-13.0 |
210 |
13.0 |
1230 |
-13.5 |
240 |
11.5 |
1260 |
-14.0 |
270 |
10.0 |
1290 |
-14.5 |
300 |
9.0 |
1320 |
-15.0 |
330 |
8.5 |
1350 |
-15.5 |
360 |
8.5 |
1380 |
-16.0 |
390 |
7.0 |
1410 |
-16.5 |
420 |
6.5 |
1440 |
-16.5 |
450 |
4.0 |
1470 |
-17.0 |
480 |
4.0 |
1500 |
-17.5 |
510 |
3.0 |
1530 |
-17.5 |
540 |
2.0 |
1560 |
-18.0 |
570 |
1.0 |
1590 |
-18.0 |
600 |
0.0 |
1620 |
-19.0 |
630 |
-1.0 |
1650 |
-19.0 |
660 |
-2.0 |
1680 |
-19.0 |
690 |
-3.0 |
1710 |
-19.5 |
720 |
-4.0 |
1740 |
-19.5 |
750 |
-5.0 |
1770 |
-20.0 |
780 |
-6.0 |
1800 |
-20.0 |
810 |
-6.5 |
1830 |
-20.0 |
840 |
-7.0 |
1860 |
-20.5 |
870 |
-7.5 |
1890 |
-21.0 |
900 |
-9.0 |
1920 |
-21.0 |
930 |
-9.5 |
1950 |
-21.5 |
960 |
-10.0 |
1980 |
-21.5 |
990 |
-10.5 |
|
|
Observations: The
test item became increasingly viscous during cooling
Result: Freezing temperature <-20°C (<253 K)
Determination 2
Time(s) |
Temperature (°C) |
Time(s) |
Temperature (°C) |
0 |
20.0 |
1050 |
-8.5 |
30 |
19.5 |
1080 |
-9.0 |
60 |
19.0 |
1110 |
-9.5 |
90 |
18.0 |
1140 |
-9.5 |
120 |
17.0 |
1170 |
-10.0 |
150 |
16.0 |
1200 |
-10.0 |
180 |
15.0 |
1230 |
-11.0 |
210 |
14.0 |
1260 |
-11.5 |
240 |
13.0 |
1290 |
-12.0 |
270 |
12.0 |
1320 |
-12.0 |
300 |
10.0 |
1350 |
-13.0 |
330 |
9.0 |
1380 |
-14.0 |
360 |
8.0 |
1410 |
-14.0 |
390 |
7.0 |
1440 |
-15.0 |
420 |
6.0 |
1470 |
-15.0 |
450 |
5.0 |
1500 |
-15.5 |
480 |
4.0 |
1530 |
-15.5 |
510 |
4.0 |
1560 |
-16.0 |
540 |
3.0 |
1590 |
-16.0 |
570 |
2.0 |
1620 |
-16.5 |
600 |
1.0 |
1650 |
-16.5 |
630 |
0.0 |
1680 |
-17.0 |
660 |
-1.0 |
1710 |
-17.5 |
690 |
-1.5 |
1740 |
-18.0 |
720 |
-2.0 |
1770 |
-18.5 |
750 |
-2.5 |
1800 |
-19.0 |
780 |
-3.0 |
1830 |
-19.0 |
810 |
-4.0 |
1860 |
-19.5 |
840 |
-5.0 |
1890 |
-20.0 |
870 |
-6.0 |
1920 |
-20.0 |
900 |
-6.0 |
1950 |
-20.0 |
930 |
-6.5 |
1980 |
-21.0 |
960 |
-7.0 |
2010 |
-21.0 |
990 |
-7.5 |
2040 |
-21.5 |
1020 |
-8.0 |
|
|
Observations: The
test item became increasingly viscous during cooling
Result: Freezing temperature <-20°C (<253 K)
Description of key information
The freezing point of the substance was determined to be <-20ºC; study conducted in accordance with OECD 102 and EU Method A.1; Fox and White (2011).
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- -20 °C
Additional information
In a GLP compliant melting/freezing point study conducted in accordance with standardised guidelines, the freezing point of the test substance was determined using the 'method to determine freezing temperature'. Under the conditions of the test, the freezing point of the substance was determined to be <-20ºC.
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