Registration Dossier

Diss Factsheets

Administrative data

Endpoint:
pH
Type of information:
experimental study
Adequacy of study:
supporting study
Study period:
2009
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2009
Report date:
2009

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: company SOP
Deviations:
not specified
Principles of method if other than guideline:
Determination of pH in a saturated solution of test subtance in water at room temperature.
GLP compliance:
not specified

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

pH value
pH value:
1.8
Temp.:
24 °C

Applicant's summary and conclusion

Executive summary:

The pH of a saturated solution of the test item is 1.8 at 24 °C