Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Guideline was not given and non GLP study. Testing was performed at 37 °C.

Data source

Reference
Reference Type:
other: ECHA disseminated Dossier
Title:
Registered substances CAS 108-26-9
Bibliographic source:
ECHA, online query 14.11.2014

Materials and methods

Principles of method if other than guideline:
no guideline
GLP compliance:
not specified
Type of method:
flask method

Test material

Constituent 1
Chemical structure
Reference substance name:
2,4-dihydro-5-methyl-3H-pyrazol-3-one
EC Number:
203-565-3
EC Name:
2,4-dihydro-5-methyl-3H-pyrazol-3-one
Cas Number:
108-26-9
Molecular formula:
C4H6N2O
IUPAC Name:
2,4-dihydro-5-methyl-3H-pyrazol-3-one
Details on test material:
- Name of test material: 2,4-dihydro-5-methyl-3H-pyrazol-3-one
- Substance type: Organic
- Physical state: Solid

Results and discussion

Water solubility
Water solubility:
19 800 mg/L
Temp.:
37 °C

Any other information on results incl. tables

pH value was not reported.

Applicant's summary and conclusion