Registration Dossier
Registration Dossier
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EC number: 255-627-4 | CAS number: 42019-78-3
Phototransformation in air
Administrative data
- Endpoint:
- phototransformation in air
- Type of information:
- (Q)SAR
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
- Justification for type of information:
- 1. SOFTWARE: EPI-Suite, EPA (USA) v 4.11
2. MODEL (incl. version number): AopWin v1.92
3. SMILES OR OTHER IDENTIFIERS USED AS INPUT FOR THE MODEL: Oc1ccc(cc1)C(=O)c2ccc(Cl)cc2
Data source
Reference
- Reference Type:
- other: estimated by calculation
- Title:
- Unnamed
- Year:
- 2 013
Materials and methods
- Principles of method if other than guideline:
- Calculation by EPI Suite, EPA (USA) v4.11 / AopWin v1.92
- GLP compliance:
- no
Test material
- Reference substance name:
- 4-chloro-4'-hydroxybenzophenone
- EC Number:
- 255-627-4
- EC Name:
- 4-chloro-4'-hydroxybenzophenone
- Cas Number:
- 42019-78-3
- Molecular formula:
- C13H9ClO2
- IUPAC Name:
- 4-(4-chlorobenzoyl)phenol
- Details on test material:
- - Name of test material (as cited in study report): METHANONE, (4-CHLOROPHENYL)(4-HYDROXYPHENYL)-
Constituent 1
Results and discussion
Dissipation half-life of parent compound
- Key result
- DT50:
- 4.04 h
- Test condition:
- 25 ºC
Any other information on results incl. tables
Atmospheric Oxidation (25 deg C):
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 31.7712 E-12 cm3/molecule-sec
Half-Life = 0.337 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 4.040 Hrs
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not applicable
- Conclusions:
- The calculated dissipation half-life of parent compound is DT50 = 4.040 h (EPI Suite, EPA (USA) v 4.11 / AopWin v1.92).
- Executive summary:
The calculated dissipation half-life of parent compound is DT50 = 4.040 h (EPI Suite, EPA (USA) v 4.11 / AopWin v1.92).
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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