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EC number: 205-271-0 | CAS number: 136-99-2
Melting point / freezing point
Administrative data
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 03.27.2014-04.29.2014
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study performed according to recognized international guidelines and GLP. No deviation from the guidelines was observed.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 014
- Report date:
- 2014
Materials and methods
Test guidelineopen allclose all
- 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
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7200 (Melting Point / Melting Range)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- capillary method
Test material
- Reference substance name:
- 4,5-dihydro-2-undecyl-1H-imidazole-1-ethanol
- EC Number:
- 205-271-0
- EC Name:
- 4,5-dihydro-2-undecyl-1H-imidazole-1-ethanol
- Cas Number:
- 136-99-2
- Molecular formula:
- C16H32N2O
- IUPAC Name:
- 4,5-dihydro-2-undecyl-1H-imidazole-1-ethanol
- Test material form:
- solid: crystalline
- Details on test material:
- - State of aggregation:
- Particle size distribution:
- Mass median aerodynamic diameter (MMAD):
- Geometric standard deviation (GSD):
- Shape of particles:
- Surface area of particles:
- Crystal structure:
- Coating:
- Surface properties:
- Density:
- Moisture content:
- Residual solvent:
- Activation:
- Stabilisation:
- Other:
SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material:
- Expiration date of the lot/batch:
- Purity test date:
RADIOLABELLING INFORMATION (if applicable)
- Radiochemical purity:
- Specific activity:
- Locations of the label:
- Expiration date of radiochemical substance:
STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: Store in a cool, dry and well ventilated place and away from foodstuffs. In darkness at room temperature.
- Stability under test conditions: Yes
- Solubility and stability of the test substance in the solvent/vehicle: Slighthly soluble in water 33.9 mg/L
- Reactivity of the test substance with the solvent/vehicle of the cell culture medium: Reacts with strong acids
TREATMENT OF TEST MATERIAL PRIOR TO TESTING
- Treatment of test material prior to testing:
- Preliminary purification step (if any): None
- Final dilution of a dissolved solid, stock liquid or gel: N/A
- Final preparation of a solid:
FORM AS APPLIED IN THE TEST (if different from that of starting material)
Remark: Environmental precautions: Do not allow to enter drains or waterways.
Do not discharge into the subsoil/soil
Constituent 1
- Specific details on test material used for the study:
- See test material information
Results and discussion
Melting / freezing point
- Melting / freezing pt.:
- > 37 - < 42 °C
- Atm. press.:
- other: ambient pressure
- Decomposition:
- no
Any other information on results incl. tables
Results: In the preliminary test tthe test item started melting at 39°C. The test item showed five stages of melting. The melting started at 37°C.
At 42 °C the last stage of melting was reached (see below).
| Experiment N° | Stage A (beginning of melting /wet point) | Stage B (Shrinkage point) | Stage C (Collapse point) | Stage D (liquefying point) | Stage E (Final Stage of melting) |
| 1 | 37.2 | 37.9 | 39.4 | 40.9 | 41.5 |
| 2 | 37.3 | 37.8 | 39.4 | 41.1 | 41.5 |
| 3 | 37.2 | 37.9 | 39.5 | 41.1 | 41.6 |
| Mean value (n=3) | 37.2 °C 310.4K |
37.9°C 311.0K |
39.4°C 312.6K |
41.1°C 314.2K |
41.6°C 314.7K |
Applicant's summary and conclusion
- Conclusions:
- 4,5-dihydro-2-undecyl-1H-imidazole-1-ethanol melted in the range of 37°C to 42 °C (310K to 315K) under ambient pressure.
- Executive summary:
The melting point of the test item was measured with the capillary method according to OECD Guideline , EU Method A.1, EPA OPPTS 830.7200 and GLP. No deviation from the guidelines was observed during the test.
Amino Alcohol c mnelted in the range of 37°C to 42°C (310 K to 315 K)
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