Registration Dossier

Administrative data

Endpoint:
density
Remarks:
density
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Test procedure according to national standards (DIN 51913)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2014
Report date:
2014

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: DIN 51913
Principles of method if other than guideline:
Helium pycnometer used. In comparison to DIN 51913 different method for preparation of the test sample (conditions of drying) applied.
Type of method:
air comparison pycnometer (for solids)
Remarks:
Helium Gaspycnometer AccuPyc 1330 Micromeritics

Test material

Constituent 1
Chemical structure
Reference substance name:
4-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulphonic acid
EC Number:
201-901-3
EC Name:
4-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulphonic acid
Cas Number:
89-36-1
Molecular formula:
C10H10N2O4S
IUPAC Name:
4-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid

Results and discussion

Density
Type:
density
Density:
1.544 g/cm³
Temp.:
23.3 °C

Any other information on results incl. tables

the density of the test item, determined under the conditions as mentioned above, is 1.5439 g/cm3

(mean, 5 measurements, σ = 0.0013 g/cm3).

Volume: 1.3853 cm3 (mean, 5 measurements, σ = 0.0012 cm3)

Applicant's summary and conclusion