Registration Dossier
Registration Dossier
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EC number: 204-303-0 | CAS number: 119-17-5
Melting point / freezing point
Administrative data
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2010-09
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: well perfomed study following acknowledged rules
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
- Report date:
- 2010
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: company SOP: DSC
- Deviations:
- not specified
- Principles of method if other than guideline:
- - SOP: AA 1020-2007 and AA 1020-1129
- GLP compliance:
- no
- Type of method:
- thermal analysis
Test material
- Reference substance name:
- m-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulphonic acid
- EC Number:
- 204-303-0
- EC Name:
- m-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulphonic acid
- Cas Number:
- 119-17-5
- Molecular formula:
- C10H10N2O4S
- IUPAC Name:
- 3-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzene-1-sulfonic acid
Constituent 1
Results and discussion
Melting / freezing point
- Melting / freezing pt.:
- 131 °C
- Atm. press.:
- ca. 1 atm
- Decomp. temp.:
- ca. 198 °C
- Sublimation:
- no
Applicant's summary and conclusion
- Conclusions:
- The melting point of the test item, determined by DSC is 131°C
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