Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 203-565-3 | CAS number: 108-26-9
Water solubility
Administrative data
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 05.04.2013 - 18.04.2013
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 013
- Report date:
- 2013
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: Shake flask method
- Principles of method if other than guideline:
- Weight of the chemical substance to dissolve in water to form a homogeneous solution of the solute in the solvent
- GLP compliance:
- no
- Type of method:
- other: Shake flask method
Test material
- 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
Constituent 1
Results and discussion
Water solubility
- Water solubility:
- 19 800 mg/L
- Temp.:
- 37 °C
- Remarks on result:
- other: pH not known
Applicant's summary and conclusion
- Conclusions:
- Interpretation of results (migrated information): very soluble (> 10000 mg/L)
The experimental value of the water solubility of 2,4-dihydro-5-methyl-3H-pyrazol-3-one by shake flask method was found to be 19800mg/L at temperature of 37 deg C indicating that 2,4-dihydro-5-methyl-3H-pyrazol-3-one is very soluble in water. - Executive summary:
The experimental value of the water solubility of 2,4-dihydro-5-methyl-3H-pyrazol-3-one by shake flask methodwas found to be 19800mg/L at temperature of 37 deg C indicating that 2,4-dihydro-5-methyl-3H-pyrazol-3-one is very soluble in water.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
