Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
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EC number: - | CAS number: -
Melting point / freezing point
Administrative data
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 017
- Report date:
- 2017
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- GLP compliance:
- yes
- Type of method:
- differential scanning calorimetry
Test material
- Reference substance name:
- Reaction products of 3-Methylaniline with heptyl naphthalen-2-ol
- Cas Number:
- 1619917-05-3
- Molecular formula:
- Not applicable (UVCB Substance)
- IUPAC Name:
- Reaction products of 3-Methylaniline with heptyl naphthalen-2-ol
- Test material form:
- solid
Constituent 1
- Specific details on test material used for the study:
- Batch number: 78-231-15
Results and discussion
Melting / freezing point
- Melting / freezing pt.:
- > 50 - < 225 °C
- Atm. press.:
- 1 atm
- Decomposition:
- yes
- Decomp. temp.:
- 288.2 °C
Any other information on results incl. tables
The test was conducted using an open Aluminium Standard 40 microL crucible, which is suitable to investigate in detail the various changes which occur by heating the sample up to 600°C.
Using the internal balance, an aliquot of test item was weighed into the crucible. The test was performed in a temperature range from 35 to 500°C, with a heating rate of 10°C/min.
The following behaviour was noted.
50 - 225°C Exothermic reaction showing a glass transition of the test item at 131.6°C (Onset: 73.2°C, Enthalpy of Relaxation: -1323 J/g).
230 - 325°C Exothermic reaction showing a probable degradation of the test item at 288.2°C (Onset: 261.7°C, Enthalpy of reaction: -1603 J/g).
Applicant's summary and conclusion
- Conclusions:
- The melting point of the test item is between 50 and 225°C. A glass transition occurs at 131.6°C.
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