Registration Dossier
Registration Dossier
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EC number: 210-765-4 | CAS number: 623-03-0
Phototransformation in water
Administrative data
Link to relevant study record(s)
- Endpoint:
- phototransformation in water
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- data from handbook or collection of data
- Study type:
- direct photolysis
- Qualifier:
- no guideline available
- Principles of method if other than guideline:
- Determination of 4-chlorobenzonitrile photolysis in a merry-got-round reactor at 20 °C (light source: UV lamp, emission peak at 300 nm) and an initial test substance concentration of 10 µmol/L.
- GLP compliance:
- not specified
- Radiolabelling:
- not specified
- Analytical method:
- not specified
- Light source:
- other: UV lamp
- Light spectrum: wavelength in nm:
- >= 250 - <= 300
- Quantum yield (for direct photolysis):
- 0.017
- Validity criteria fulfilled:
- not specified
- Conclusions:
- The photolysis quantum yield was determined to be 0.017.
- Executive summary:
The photolysis of 4-chlorobenzonitrile at an initial concentration of 10 µmol/L was determined using a merry-got-round reactor at 20 °C (light source: UV lamp).
The photolysis quantum yield was determined to be 0.017.
Reference
Description of key information
The photolysis of 4-chlorobenzonitrile at an initial concentration of 10
µmol/L was determined using a merry-got-round reactor at 20 °C (light
source: UV lamp).
The photolysis quantum yield was determined to be 0.017.
Key value for chemical safety assessment
Additional information
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