Registration Dossier
Registration Dossier
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EC number: 201-901-3 | CAS number: 89-36-1
Melting point / freezing point
Administrative data
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Reliable information from certificate of anaylsis; measurement according to company guideline
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 009
- Report date:
- 2009
Materials and methods
- Principles of method if other than guideline:
- Measurement according to company guideline
- Type of method:
- thermal analysis
Test material
- Reference substance name:
- 4-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzene-1-sulfonic acid
- EC Number:
- 201-901-3
- Cas Number:
- 89-36-1
- Molecular formula:
- C10H10N2O4S
- IUPAC Name:
- 4-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzene-1-sulfonic acid
Constituent 1
Results and discussion
Melting / freezing point
- Decomposition:
- yes
- Decomp. temp.:
- >= 304 °C
Any other information on results incl. tables
No melting could be observed. Decomposition: onset 304°C, peak 327°C
Applicant's summary and conclusion
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