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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
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EC number: 203-565-3 | CAS number: 108-26-9
Partition coefficient
Administrative data
- Endpoint:
- partition coefficient
- Type of information:
- calculation (if not (Q)SAR)
- Remarks:
- Migrated phrase: estimated by calculation
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: peer-reviewed database
Data source
Reference
- Reference Type:
- secondary source
- Title:
- Data From SRC PhysProp Database
- Author:
- MEYLAN,WM & HOWARD,PH
- Year:
- 1 995
- Bibliographic source:
- SRC PhysProp Database, online query 01 Jul 2013
- Report date:
- 2013
Materials and methods
- Principles of method if other than guideline:
- estimation
- GLP compliance:
- no
- Partition coefficient type:
- octanol-water
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
Constituent 1
Results and discussion
Partition coefficient
- Type:
- log Pow
- Partition coefficient:
- 0.22
- Temp.:
- 25 °C
- Remarks on result:
- other: estimated
Applicant's summary and conclusion
- Conclusions:
- The partition coefficient of test substance was estimated to be logPow= 0.22 at 25°C
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