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EC number: 261-684-6 | CAS number: 59272-84-3
- 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
Boiling point
Administrative data
- Endpoint:
- boiling point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 15 Jul - 17 Jul 2019
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 019
- Report date:
- 2019
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling Point)
- Deviations:
- not specified
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.2 (Boiling Temperature)
- Deviations:
- not specified
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Landesamt für Umwelt Rheinland-Pfalz; Mainz, Germany
- Type of method:
- differential scanning calorimetry
Test material
- Reference substance name:
- (carboxymethyl)dimethyl-3-[(1-oxotetradecyl)amino]propylammonium hydroxide
- EC Number:
- 261-684-6
- EC Name:
- (carboxymethyl)dimethyl-3-[(1-oxotetradecyl)amino]propylammonium hydroxide
- Cas Number:
- 59272-84-3
- Molecular formula:
- C21H42N2O3
- IUPAC Name:
- (carboxymethyl)dimethyl-3-[(1-oxotetradecyl)amino]propylammonium hydroxide
- Test material form:
- solid: particulate/powder
Constituent 1
Results and discussion
Boiling point
- Decomposition:
- yes
- Remarks:
- Onset bp under decomposition is 216.96 °C.
- Decomp. temp.:
- >= 170.05 - <= 271.94 °C
Any other information on results incl. tables
Preliminary Test Results
Pre-test following Siwoloboff-
All observations of the Pre-test following Siwoloboff are presented in the following table.
Note: test substance is a white powder.
Observations |
Temperatures in °C |
Test item began to shrivel |
Since 120 |
Melted to a clear yellowish liquid with foam |
220 |
Many bubbles were visible, color became darker |
234 |
Bubble chain (Boiling),heating plate turned off |
242 |
the chain of bubbles broke, test item is dark brown |
231 |
After cooling down the test item was petrified as a brown solid.
Security Pre-test for the DSC instrument-
The crucible was found visually unchanged after reaching a temperature of 300 °C. The weight of the crucible was recorded with 47.42 mg.
Values DSC Indium-
Expected Melting point |
Measured Melting point |
Expected Energy |
Measured Energy |
Assessment |
156.6±1.0°C |
156.44 °C(onset) |
28.45±1.0J/g |
27.89J/g |
OK |
The measurement of indium after calibration met the validity criteria.
Values DSC Test Item first determination-
[°C] |
Temperature [°C] |
Energy |
Begin Melting process |
60.53(EventMarker) |
19.58mW |
End Melting process |
115.68(EventMarker) |
19.63mW |
Begin boiling process |
184.20(EventMarker) |
19.42mW |
End boiling process |
Notdetected |
- |
Onset boiling point |
217.06(Onset) |
19.46mW |
As the end of the Peak was not completely detected the end temperature was set to 300°C.
Values DSC Test Item second determination-
[°C] |
Temperature [°C] |
Heatflow |
Begin Melting process |
61.25(EventMarker) |
19.56mW |
End Melting process |
113.61(EventMarker) |
19.59mW |
Begin boiling process |
170.05(EventMarker) |
19.40mW |
End boiling process |
271.25(EventMarker) |
19.68mW |
Onset boiling point |
216.73(Onset) |
19.49mW(Energy125.14J/g) |
Values DSC Test Item third determination-
[°C] |
Temperature [°C] |
Heatflow |
Begin Melting process |
61.28(EventMarker) |
19.92mW |
End Melting process |
90.20(EventMarker) |
20.19mW |
Begin boiling process |
183.32(EventMarker) |
19.37mW |
End boiling process |
269.71(EventMarker) |
19.60mW |
Onset boiling point |
217.00(Onset) |
19.44mW(Energy117.63J/g) |
Values DSC Test Item fourth determination-
[°C] |
Temperature [°C] |
Heatflow |
Begin Melting process |
65.78(EventMarker) |
19.91mW |
End Melting Process |
90.53(EventMarker) |
20.11mW |
Begin boiling process |
189.72(EventMarker) |
19.69mW |
End boiling process |
270.73(EventMarker) |
19.78mW |
Onset boiling point |
217.07(Onset) |
19.66mW(Energy124.24J/g) |
Values DSC Test Item fifth determination-
[°C] |
Temperature[°C] |
Heatflow |
Begin Melting process |
65.99(EventMarker) |
18.90mW |
End Melting process |
104.38(EventMarker) |
19.21mW |
Begin boiling process |
185.25(EventMarker) |
19.11mW |
End boiling process |
271.94(EventMarker) |
19.31mW |
Onset boiling point |
216.92(Onset) |
19.09mW(Energy129.04J/g) |
Observations—
|
Mass test item |
Mass crucible(before meas-urement): |
Mass crucible(after meas-urement): |
Observations |
First Measurement |
1.51mg |
46.95mg |
46.70mg |
After the test the crucible was visually unchanged |
Second Measurement |
1.52mg |
46.80mg |
46.41mg |
After the test the crucible was visually unchanged |
Third Measurement |
1.52mg |
47.02mg |
46.52mg |
After the test the crucible was visually unchanged |
FourthMeasurement |
1.52mg |
47.25mg |
46.88mg |
After the test the crucible was visually unchanged |
Fifth Measurement |
1.53 mg |
47.14mg |
46.87mg |
After the test the crucible was visually unchanged.After the test, the crucible was opened and a brown residue was visible. |
Interpretation of the measurements-
Based on the observations of the pre-test, the events between 60.53 °C and 115.68 °C should be interpreted as melting range. The broad peak at the end can be interpreted as boiling point. In the pre-test and after opening the crucible, observations were made which indicate decomposition. Therefore, the boiling point is stated as boiling under decomposition and it will be given in a range.
Results Summary-
For the calculation of the values of the mean and the standard deviation, only the second and third determination was taken into account.
Beginning of melting process |
in°C(eventmark) |
inK |
1Determination |
60.53 |
333.68 |
2Determination |
61.25 |
334.40 |
3Determination |
61.28 |
334.43 |
4Determination |
65.78 |
338.93 |
5Determination |
65.99 |
339.14 |
Min |
60.53 |
333.68 |
Endofmeltingprocess |
in°C(eventmark) |
inK |
1Determination |
115.68 |
388.83 |
2Determination |
113.61 |
386.76 |
3Determination |
90.20 |
363.35 |
4Determination |
90.53 |
363.68 |
5Determination |
104.38 |
377.53 |
Max |
115.68 |
388.83 |
Beginning of boiling process under decomposition |
in °C(eventmark) |
in K |
1Determination |
184.20 |
457.35 |
2Determination |
170.05 |
443.20 |
3Determination |
183.32 |
456.47 |
4Determination |
189.72 |
462.87 |
5Determination |
185.25 |
458.40 |
Min |
170.05 |
443.20 |
End of boiling process |
in°C(eventmark) |
inK |
1Determination |
notcompletelydetected |
notcompletelydetected |
2Determination |
271.25 |
544.40 |
3Determination |
269.71 |
542.86 |
4Determination |
270.73 |
543.88 |
5Determination |
271.94 |
545.09 |
Max |
271.94 |
545.09 |
On set boiling point |
in°C(onset) |
inK |
1Determination |
217.06 |
490.21 |
2Determination |
216.73 |
489.88 |
3Determination |
217.00 |
490.15 |
4Determination |
217.07 |
490.22 |
5Determination |
216.92 |
490.07 |
Mean |
216.96 |
490.11 |
SD |
0.14 |
0.14 |
Discussion-
The determination of the boiling point of W-1108T was performed via DSC (differential scanning calorimetry). Based on the pre-test a boiling point under decomposition was determined under these circumstances as the second, broad endothermic event and it will be given in a range:
From 170.05 °C (443.20 K) to 271.94 °C (545.09 K)
with an onset of 216.96 °C (490.11 K)
The first endothermic event should be interpreted as melting process and will be given in a range from 60.53 °C to 115.68 °C.These values are the results from five independent determinations.
No observations were made which might cause doubts on the validity of the study outcome. Therefore, the result of the study is considered valid.
Applicant's summary and conclusion
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