Registration Dossier

Administrative data

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
09 March 2016 to 20 July 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2016
Report Date:
2016

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Deviations:
no
Qualifier:
according to
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
thermal analysis

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
liquid

Results and discussion

Melting / freezing point
Key result
Melting / freezing pt.:
0.5 °C
Atm. press.:
1 atm
Remarks on result:
other: Result: Freezing temperature of 0.5 ± 1.0 °C (273.7 ± 1.0 K)

Any other information on results incl. tables

Determination 1:

Time (s) Temperature (°C) Time (s) Temperature (°C) Time (s) Temperature (°C)
0 35.0 960 -1.0 1920 0.5
30 34.0 990 -1.5 1950 0.5
60 33.0 1020 -2.0 1980 1.0
90 32.0 1050 -2.5 2010 1.0
120 31.0 1080 -3.5 2040 1.0
150 29.0 1110 -4.0 2070 1.0
180 28.0 1140 -5.0 2100 1.0
210 26.0 1170 -5.5 2130 0.0
240 25.0 1200 -6.0 2160 -0.5
270 24.0 1230 -6.5 2190 -0.5
300 23.0 1260 -7.0 2220 -0.5
330 21.5 1290 -7.5 2250 -0.5
360 20.0 1320 -8.0 2280 -0.5
390 19.0 1350 -9.0 2310 -0.5
420 17.5 1380 -9.5 2340 -0.5
450 16.0 1410 -9.5 2370 -0.5
480 15.0 1440 -10.0 2400 -1.0
510 13.5 1470 -10.5 2430 -1.0
540 12.0 1500 -11.0 2460 -1.0v
570 11.0 1530 -11.0 2490 -1.5
600 10.0 1560 -11.5 2520 -2.0
630 8.5 1590 -11.5 2580 -2.5
660 7.5 1620 -10.0 2610 -2.5
690 6.0 1650 -8.5 2640 -3.0
720 5.0 1680 -6.0 2670 -3.5
750 4.5 1710 -4.0 2700 -4.0
780 3.5 1470 -2.0 2730 -4.0
810 2.0 1770 -2.0 2760 -4.5
840 1.0 1800 -1.0 2790 -5.0
870 0.5 1830 -0.5 --- ---
900 0.0 1860 -0.5 --- ---
930 -0.5 1890 0.5 --- ---

Result: Freezing temperature of 1.0 °C (274.2 K)

Determination 2:

Time (s) Temperature (°C) Time (s) Temperature (°C) Time (s) Temperature (°C)
0 35.0 630 4.0 1260 -9.0
30 34.0 660 3.5 1290 -4.0
60 33.0 690 2.0 1320 -3.0
90 32.0 720 1.5 1350 -2.0
120 30.0 750 0.0 1380 -0.5
150 29.0 780 -0.5 1410 0.0
180 27.0 810 -1.5 1440 0.0
210 25.0 840 -2.0 1470 0.0
240 22.0 870 -2.5 1500 0.0
270 20.5 900 -3.0 1530 -0.5
300 18.0 930 -3.5 1560 -0.5
330 16.0 960 -4.0 1590 -0.5
360 14.0 990 -5.0 1620 -1.0
390 12.0 1020 -5.5 1650 -1.5
420 11.0 1050 -6.0 1680 -2.0
450 9.5 1080 -6.5 1710 -3.0
480 9.5 1110 -7.0 1470 -3.5
510 8.0 1140 -8.0 1770 -4.0
540 7.0 1170 -9.0 1800 -4.5
570 6.0 1200 -9.0 1830 -5.0
600 5.0 1230 -9.5 --- ---

Result: Freezing temperature of 0.0 °C (273.2 K)

Applicant's summary and conclusion

Conclusions:
The freezing point of the test item has been determined to be 0.5 ± 1.0 °C (273.7 ± 1.0 K).
Executive summary:

Freezing temperature of 0.5 ± 1.0 °C (273.7 ± 1.0 K) using the crystallizing point method, designed to be compatible with Method A.1 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.