Registration Dossier
Registration Dossier
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EC number: 204-465-2 | CAS number: 121-33-5
Phototransformation in air
Administrative data
- Endpoint:
- phototransformation in air
- Type of information:
- calculation (if not (Q)SAR)
- Adequacy of study:
- disregarded due to major methodological deficiencies
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- other: Report and calculs not available
Data source
Reference
- Reference Type:
- other company data
- Title:
- Unnamed
- Year:
- 1 995
Materials and methods
Test material
- Reference substance name:
- Vanillin
- EC Number:
- 204-465-2
- EC Name:
- Vanillin
- Cas Number:
- 121-33-5
- Molecular formula:
- C8H8O3
- IUPAC Name:
- 1-butoxypropan-2-ol
Constituent 1
Study design
- Estimation method (if used):
- PHOTOCHEMICAL REACTION WITH OH RADICALS
- Concentration of OH radicals: 1.5 x 106 OH-radicals per cm3
- Degradation rate constant: 27.3 x 10-12 cm3 molecule-1 sec-1
- Temperature for which rate constant was calculated: 25°C
- Computer programme: Calculated according to Atkinson (AOPWIN, Version 1.70, June 1995)
- Other:
OTHER ESTIMATION METHOD: - Light source:
- sunlight
Results and discussion
Any other information on results incl. tables
Vanillin calculated Half-life: 4.7 hours
Applicant's summary and conclusion
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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