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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Guideline study and GLP

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1998
Report date:
1998

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.6 (Water Solubility)
GLP compliance:
yes (incl. QA statement)
Type of method:
flask method

Test material

Constituent 1
Chemical structure
Reference substance name:
1-(2-hydroxyethyl)-1H-pyrazol-4,5-diyldiammoniumsulfate
EC Number:
429-300-3
EC Name:
1-(2-hydroxyethyl)-1H-pyrazol-4,5-diyldiammoniumsulfate
Cas Number:
155601-30-2
Molecular formula:
C5H12N4O5S
IUPAC Name:
2-(4,5-diamino-1H-pyrazol-1-yl)ethan-1-ol; sulfuric acid
Details on test material:
Batch No GST7-18099

Results and discussion

Water solubility
Water solubility:
ca. 666 g/L
Temp.:
20 °C
pH:
7

Applicant's summary and conclusion

Conclusions:
Interpretation of results (migrated information): moderately soluble (100-1000 mg/L)
The solubility of Pyrazole DHE was determinated with 666 g/l at 20°C in deionized water accoding to the EU Method A.06 and is moderately soluble
Executive summary:

The solubility of Pyrazole DHE was determinated with 666 g/l at 20°C in deionized water accoding to the EU Method A.06