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Diss Factsheets

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:
2010
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

Constituent 1
Chemical structure
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

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