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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
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EC number: 211-617-1 | CAS number: 674-82-8
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
- Study period:
- 2010
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: done by our own company expert
Data source
Reference
- Reference Type:
- other company data
- Title:
- Unnamed
- Year:
- 2 010
- Report date:
- 2010
Materials and methods
Test guideline
- Qualifier:
- no guideline required
- Principles of method if other than guideline:
- Software: KowWIN 1.67, EPIWin v 3.20 MPBPWIN v 1.42 (Syracuse Research Corporation)
- GLP compliance:
- not specified
- Type of method:
- other: estimation by calculation
- Partition coefficient type:
- octanol-water
Test material
- Reference substance name:
- But-3-en-3-olide
- EC Number:
- 211-617-1
- EC Name:
- But-3-en-3-olide
- Cas Number:
- 674-82-8
- Molecular formula:
- C4H4O2
- IUPAC Name:
- 4-methylideneoxetan-2-one
Constituent 1
Results and discussion
Partition coefficient
- Type:
- log Pow
- Partition coefficient:
- -0.39
- Temp.:
- 25 °C
- pH:
- 7
Applicant's summary and conclusion
- Conclusions:
- Due to the low log Pow of -0.39 no accumulation of the test item in biological tissue is expected.
- Executive summary:
Due to the low log Pow of -0.39 no accumulation of the test item in biological tissue is expected.
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