Registration Dossier
Registration Dossier
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EC number: 203-571-6 | CAS number: 108-31-6
Phototransformation in air
Administrative data
- Endpoint:
- phototransformation in air
- Type of information:
- experimental study
- Adequacy of study:
- other information
- Study period:
- no data
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: predicted value from validated computer model.
Data source
Reference
- Reference Type:
- publication
- Title:
- Atmospheric chemistry of toxic contaminants. 1. Reaction rates and atmospheric persistence.
- Author:
- Grosjean, D.
- Year:
- 1 990
- Bibliographic source:
- J. Air Waste Manag. Assoc.
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- Calculated using structure-reactivity relationships.
- GLP compliance:
- no
- Remarks:
- not applicable
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:
- furan-2,5-dione
- Details on test material:
- Same with the substance notified in the section 1 of this dossier.
Constituent 1
Study design
- Estimation method (if used):
- structure-reactivity relationships.
- Light source:
- other: not applicable
- Details on light source:
- It was a predicted result. So this condition was not applicable.
- Details on test conditions:
- It was a predicted result. So this condition was not applicable.
- Reference substance:
- not specified
- Remarks:
- It was a predicted result. So this condition was not applicable.
Results and discussion
- Preliminary study:
- It was a predicted result. So this condition was not applicable.
- Test performance:
- It was a predicted result. So this condition was not applicable.
Spectrum of substance
- Parameter:
- not applicable
Dissipation half-life of parent compound
- DT50:
- ca. 8 h
- Test condition:
- Sensitizer concentration: 100 ppb (0.1 mg/L); Sensitizer: Ozone.
- Transformation products:
- not specified
- Results with reference substance:
- No data
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Remarks:
- Calculated using structure-reactivity relationships.
- Conclusions:
- Predicted value from validated computer model;
Half-life (t1/2): 8 hours. - Executive summary:
It was calculated by means of structure-reactivity relationships, which gives a result of Half-life (t1/2)=8 hours.
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