Registration Dossier
Registration Dossier
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EC number: 203-571-6 | CAS number: 108-31-6
Hydrolysis
Administrative data
- Endpoint:
- hydrolysis
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- data from handbook or collection of data
Data source
Reference
- Reference Type:
- review article or handbook
- Title:
- Maleic Anhydride and Maleic Acid, SIDS Initial Assessment Report For SIAM 18
- Author:
- OECD SIDS
- Year:
- 2 004
- Bibliographic source:
- OECD SIDS Initial Assessment Report For SIAM 18, 20-23 April 2004
Materials and methods
Test guideline
- Qualifier:
- no guideline available
- Principles of method if other than guideline:
- No guideline available found in the published report.
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Maleic anhydride
- EC Number:
- 203-571-6
- EC Name:
- Maleic anhydride
- Cas Number:
- 108-31-6
- Molecular formula:
- C4H2O3
- IUPAC Name:
- 2,5-dihydrofuran-2,5-dione
Constituent 1
Results and discussion
- Preliminary study:
- not available
- Transformation products:
- yes
Identity of transformation products
Reference
- Reference substance name:
- Unnamed
- IUPAC name:
- Maleic Acid
- Inventory number:
- InventoryMultipleMappingImpl [inventoryEntryValue=EC 203-742-5]
- CAS number:
- 110-16-7
Dissipation DT50 of parent compound
- Temp.:
- 25 °C
- DT50:
- 22 s
Applicant's summary and conclusion
- Conclusions:
- In the presence of water, maleic anhydride rapidly hydrolyzes to form maleic acid. The half-life of the
hydrolysis of maleic anhydride to maleic acid in water at 25oC has been determined to be approximately 22 seconds.
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