Registration Dossier
Registration Dossier
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EC number: 700-475-0 | CAS number: 145783-14-8
Adsorption / desorption
Administrative data
- Endpoint:
- adsorption / desorption: screening
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 004
- Report date:
- 2004
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 121 (Estimation of the Adsorption Coefficient (Koc) on Soil and on Sewage Sludge using High Performance Liquid Chromatography (HPLC))
- GLP compliance:
- yes
- Type of method:
- HPLC estimation method
- Media:
- soil
Test material
- Reference substance name:
- 4,6-dichloro-5-nitro-2-(propylsulfanyl)pyrimidine
- EC Number:
- 700-475-0
- Cas Number:
- 145783-14-8
- Molecular formula:
- C7H7Cl2N3O2S
- IUPAC Name:
- 4,6-dichloro-5-nitro-2-(propylsulfanyl)pyrimidine
Constituent 1
Study design
- Test temperature:
- 21.3-23.3 deg C
Results and discussion
Partition coefficientsopen allclose all
- Phase system:
- other: log10 Koc
- Type:
- other: log10 Koc
- Value:
- 3.7
- Remarks on result:
- other: pH2
- Phase system:
- other: log10Koc
- Type:
- other: log10Koc
- Value:
- < 1.5
- Remarks on result:
- other: pH 10
- Phase system:
- other: log10Koc
- Type:
- other: log10Koc
- Value:
- 3.3
- Remarks on result:
- other: pH 10
Results: HPLC method
- Details on results (HPLC method):
- The test was carried out at mobile phase pHs of 2 and 10 and the temperature of the room in which the HPLC work was carried out ranged between 21.3 and 23.3°C.
log10Koc:
pH 2: 3.7
pH 10: <1.5
pH 10: 3.3
The test described has been validated for the quantitative estimation of log10Koc values in the range 1.5 to 5.0. In those instances where the statistical treatment of the experimental data produces a calculated log10Koc value outside of this range then the final result is quoted as either <1.5 or >5.0 as appropriate.
Any other information on results incl. tables
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Applicant's summary and conclusion
- Conclusions:
- log10Koc: pH 2: 3.7
pH 10: <1.5
pH 10: 3.3 - Executive summary:
The test described has been validated for the quantitative estimation of log10Koc values in the range 1.5 to 5.0. In those instances where the statistical treatment of the experimental data produces a calculated log10Koc value
outside of this range then the final result is quoted as
either <1.5 or >5.0 as appropriate.
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