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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Additional information on environmental fate and behaviour
Administrative data
- Endpoint:
- additional information on environmental fate and behaviour
- Type of information:
- calculation (if not (Q)SAR)
- Remarks:
- Migrated phrase: estimated by calculation
- Adequacy of study:
- supporting study
- Reliability:
- 4 (not assignable)
Data source
Reference
- Reference Type:
- publication
- Title:
- Unnamed
- Year:
- 1 993
Materials and methods
- Principles of method if other than guideline:
- Estimated atmospheric oxidatiuon at 25 °C by calculation. AOPWIN /v1.91); EPI SUITE (TM) (v.3.11)
- GLP compliance:
- not specified
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
Any other information on results incl. tables
OH rate constant: 5.15 x 10 EE - 11 ccm/molecule - sec
Half-life: 0.208 days (12 hr/day; 1.5 x 10 EE 6 OH/ccm)
Ozone rate constant: 1.14 x 10 EE -17 ccm/molecule-sec
1.0 days at 7 x 10 EE 11 O3/ccm
Applicant's summary and conclusion
- Conclusions:
- Material is oxidized by atmospheric hydroxyl radicals at a rapid rate and by Ozone at a moderate rate.
- Executive summary:
Material is oxidized by atmospheric hydroxyl radicals at a rapid rate and by Ozone at a moderate rate.
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.
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