Registration Dossier
Registration Dossier
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EC number: 203-565-3 | CAS number: 108-26-9
Melting point / freezing point
Administrative data
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 05.04.2013 - 18.04.2013
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 013
- Report date:
- 2013
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: capillary method
- Principles of method if other than guideline:
- The temperature at which substance changes its phase at standard atmospheric pressure
- GLP compliance:
- no
- Type of method:
- capillary method
Test material
- Reference substance name:
- 2,4-dihydro-5-methyl-3H-pyrazol-3-one
- EC Number:
- 203-565-3
- EC Name:
- 2,4-dihydro-5-methyl-3H-pyrazol-3-one
- Cas Number:
- 108-26-9
- Molecular formula:
- C4H6N2O
- IUPAC Name:
- 2,4-dihydro-5-methyl-3H-pyrazol-3-one
- Details on test material:
- - Name of test material: 2,4-dihydro-5-methyl-3H-pyrazol-3-one
- Substance type: Organic
- Physical state: solid
Constituent 1
Results and discussion
Melting / freezing point
- Melting / freezing pt.:
- 208 °C
- Atm. press.:
- 965 hPa
- Decomposition:
- no
- Sublimation:
- no
- Remarks on result:
- other: no other details available
Applicant's summary and conclusion
- Conclusions:
- From experimental study details melting point of the 2,4-dihydro-5-methyl-3H-pyrazol-3-one is found to be 208°C at pressure 965 hpa by capillary method.There was no decomposition & sublimation observed for 2,4-dihydro-5-methyl-3H-pyrazol-3-one at the melting point.
- Executive summary:
From experimental study details melting point of the 2,4-dihydro-5-methyl-3H-pyrazol-3-one is found to be 208°C at pressure 965 hpa by capillary method.There was no decomposition & sublimation observed for 2,4-dihydro-5-methyl-3H-pyrazol-3-one at the melting point.
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