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EC number: 240-354-5 | CAS number: 16230-35-6
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
Melting point / freezing point
Administrative data
Link to relevant study record(s)
- Endpoint:
- melting point/freezing point
- Remarks:
- freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- November 4, 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- 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:
- method to determine freezing temperature
- Remarks:
- method of crystallization tube in freezing mixture ice/acetone
- Specific details on test material used for the study:
- STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: room temperature. - Key result
- Melting / freezing pt.:
- ca. -8.2 °C
- Atm. press.:
- ca. 1 005 hPa
- Decomposition:
- no
- Sublimation:
- no
- Conclusions:
- The average value of an initial freezing point of the test item is equal to 8.2 ± 0.4 ºC under atmospheric pressure of 1005 hPa.
- Executive summary:
The freezing point was determine according to OECD 102 and EU method A.1, following GLP. The method of crystallization tube in freezing mixture ice/acetone was used. The liquid sample of the test item was placed in a Dewar vessel containing the freezing mixture. It was stirred and the temperature was recorded during cooling. The cooling temperature of the sample was read with an accuracy of 0.1 ºC. Two measurement runs were done. Both of them were performed under armospheric pressure of 1005 hPa. The average value of an initial freezing point of the test item is equal to -8.2 ± 0.4 ºC.
Reference
Table 1. Measurement of the freezing point of N,N’-(ethoxymethylsilylene)bis[N-methylbenzamide]
Measurement I |
Measurement II |
||||
Time [min] |
Temperature of the test item [°C] |
Temperature of the freezing mixture [°C] |
Time [min] |
Temperature of the test item [°C] |
Temperature of the freezing mixture [°C] |
0.0 |
0.2 |
-2.0 |
0.0 |
0.6 |
-3.2 |
1.0 |
0.0 |
-2.1 |
1.0 |
0.3 |
-3.4 |
2.0 |
-0.1 |
-2.4 |
2.0 |
0.0 |
-3.6 |
3.0 |
-0.3 |
-2.7 |
3.0 |
-0.2 |
-3.6 |
4.0 |
-0.4 |
-3.1 |
4.0 |
-0.4 |
-3.7 |
5.0 |
-0.6 |
-3.5 |
5.0 |
-0.7 |
-3.9 |
6.0 |
-0.9 |
-3.8 |
6.0 |
-1.0 |
-4.0 |
7.0 |
-1.1 |
-4.1 |
7.0 |
-1.3 |
-4.2 |
8.0 |
-1.2 |
-4.3 |
8.0 |
-1.5 |
-4.3 |
9.0 |
-1.4 |
-4.7 |
9.0 |
-1.7 |
-4.4 |
10.0 |
-1.6 |
-5.1 |
10.0 |
-1.9 |
-4.7 |
11.0 |
-1.9 |
-5.3 |
11.0 |
-2.2 |
-5.0 |
12.0 |
-2.2 |
-5.5 |
12.0 |
-2.4 |
-5.3 |
13.0 |
-2.4 |
-5.8 |
13.0 |
-2.6 |
-5.6 |
14.0 |
-2.6 |
-6.2 |
14.0 |
-2.7 |
-5.9 |
15.0 |
-2.9 |
-6.5 |
15.0 |
-2.9 |
-6.1 |
16.0 |
-3.2 |
-6.9 |
16.0 |
-3.1 |
-6.3 |
17.0 |
-3.4 |
-7.2 |
17.0 |
-3.3 |
-6.7 |
18.0 |
-3.7 |
-7.5 |
18.0 |
-3.5 |
-7.1 |
19.0 |
-3.9 |
-7.8 |
19.0 |
-3.7 |
-7.3 |
20.0 |
-4.1 |
-8.0 |
20.0 |
-3.8 |
-7.6 |
21.0 |
-4.4 |
-8.3 |
21.0 |
-3.9 |
-7.7 |
22.0 |
-4.7 |
-8.7 |
22.0 |
-4.1 |
-7.9 |
23.0 |
-5.0 |
-9.0 |
23.0 |
-4.3 |
-8.2 |
24.0 |
-5.2 |
-9.3 |
24.0 |
-4.6 |
-8.5 |
25.0 |
-5.5 |
-9.6 |
25.0 |
-4.8 |
-8.7 |
26.0 |
-5.8 |
-9.8 |
26.0 |
-4.9 |
-8.9 |
27.0 |
-6.1 |
-10.1 |
27.0 |
-5.1 |
-9.1 |
28.0 |
-6.4 |
-10.3 |
28.0 |
-5.3 |
-9.1 |
29.0 |
-6.6 |
-10.5 |
29.0 |
-5.6 |
-9.3 |
30.0 |
-6.9 |
-10.8 |
30.0 |
-5.8 |
-9.4 |
31.0 |
-7.3 |
-11.0 |
31.0 |
-6.0 |
-9.6 |
32.0 |
-7.6 |
-11.3 |
32.0 |
-6.1 |
-9.8 |
33.0 |
-7.9 |
-11.6 |
33.0 |
-6.2 |
-9.9 |
34.0 |
-7.9 |
-11.9 |
34.0 |
-6.4 |
-10.1 |
34.5 |
-8.0 |
-12.0 |
34.5 |
- |
- |
35.0 |
-8.0 |
-12.2 |
35.0 |
-6.7 |
-10.3 |
36.0 |
-8.0 |
-12.3 |
36.0 |
-6.9 |
-10.5 |
Measurement I |
Measurement II |
||||
Time [min] |
Temperature of the test item [°C] |
Temperature of the freezing mixture [°C] |
Time [min] |
Temperature of the test item [°C] |
Temperature of the freezing mixture [°C] |
37.0 |
-8.1 |
-12.4 |
37.0 |
-7.1 |
-10.7 |
38.0 |
-8.3 |
-12.5 |
38.0 |
-7.4 |
-10.7 |
39.0 |
-8.6 |
-12.7 |
39.0 |
-7.6 |
-10.9 |
40.0 |
-8.9 |
-12.9 |
40.0 |
-7.8 |
-10.8 |
41.0 |
-9.1 |
-13.1 |
41.0 |
-7.9 |
-10.8 |
42.0 |
-9.3 |
-13.4 |
42.0 |
-8.1 |
-10.9 |
43.0 |
-9.4 |
-13.7 |
43.0 |
-8.3 |
-10.9 |
44.0 |
-9.5 |
-14.0 |
44.0 |
-8.5 |
-11.3 |
45.0 |
-9.6 |
-14.2 |
45.0 |
-8.5 |
-11.5 |
46.0 |
-9.8 |
-14.3 |
46.0 |
-8.5 |
-11.7 |
47.0 |
-10.1 |
-14.4 |
47.0 |
-8.6 |
-11.8 |
48.0 |
-10.4 |
-14.5 |
48.0 |
-8.6 |
-12.1 |
49.0 |
-10.5 |
-14.7 |
49.0 |
-8.6 |
-12.3 |
50.0 |
-10.8 |
-15.0 |
50.0 |
-8.6 |
-12.6 |
51.0 |
-11.0 |
-15.2 |
51.0 |
-8.7 |
-12.8 |
52.0 |
-11.3 |
-15.3 |
52.0 |
-8.9 |
-13.0 |
53.0 |
-11.5 |
-15.5 |
53.0 |
-8.9 |
-13.3 |
54.0 |
-11.7 |
-15.8 |
54.0 |
-9.0 |
-13.5 |
55.0 |
-11.9 |
-16.1 |
55.0 |
-9.2 |
-13.7 |
56.0 |
-12.1 |
-16.4 |
56.0 |
-9.5 |
-13.7 |
57.0 |
-12.1 |
-12.3 |
57.0 |
-9.7 |
-13.9 |
58.0 |
- |
- |
58.0 |
-9.9 |
-14.1 |
59.0 |
- |
- |
59.0 |
-10.2 |
-14.4 |
60.0 |
- |
- |
60.0 |
-10.4 |
-14.6 |
61.0 |
- |
- |
61.0 |
-10.7 |
-14.7 |
62.0 |
- |
- |
62.0 |
-11.0 |
-14.9 |
63.0 |
- |
- |
63.0 |
-11.2 |
-14.9 |
64.0 |
- |
- |
64.0 |
-11.4 |
-15.1 |
65.0 |
- |
- |
65.0 |
-11.7 |
-15.3 |
66.0 |
- |
- |
66.0 |
-11.9 |
-15.5 |
67.0 |
- |
- |
67.0 |
-12.0 |
-15.8 |
68.0 |
- |
- |
68.0 |
-12.2 |
-16.2 |
Initial value of freezing point [°C] |
-7.9* |
Initial value of freezing point [°C] |
-8.5** |
||
Average temperature of an initial freezing point±stand. Deviation, [°C] |
8.2±0.4 |
* As the value of an initial freezing point for the measurement No. 1 the value which corresponded to 33rdminute was assumed.
** As the value of an initial freezing point for the measurement No. 2 the value which corresponded to 44thminute was assumed.
During the test the temperature of samples initially decreased at a constant rate. For time ranging from 33 to 36 minute of measurement no. 1 and for time ranging from 44 to 50 minute, for measurement no. 2, the temperature of the test samples remained constant, which was related to release of crystallization heat. Test samples from the moment of temperature increase got cloudy and their viscosity increased (distinct increase in resistance to mixing).
Description of key information
Key study: OECD 102 and EU method A.1. GLP study. The average value of an initial freezing point of the test item is equal to -8.2 ± 0.4 ºC under atmospheric pressure of 1005 hPa.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- -8.2 °C
Additional information
Key study: The freezing point was determine according to OECD 102 and EU method A.1, following GLP. The method of crystallization tube in freezing mixture ice/acetone was used. The liquid sample of the test item was placed in a Dewar vessel containing the freezing mixture. It was stirred and the temperature was recorded during cooling. The cooling temperature of the sample was read with an accuracy of 0.1 ºC. Two measurement runs were done. Both of them were performed under armospheric pressure of 1005 hPa. The average value of an initial freezing point of the test item is equal to -8.2± 0.4 ºC.
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