Registration Dossier
Registration Dossier
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EC number: 212-634-7 | CAS number: 834-12-8
Other distribution data
Administrative data
- Endpoint:
- other distribution data
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 1989
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Well documented, according to accepted guidelines.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 989
- Report date:
- 1989
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 312 (Leaching in Soil Columns)
- Deviations:
- yes
- Remarks:
- No reference substance used.
- Qualifier:
- according to guideline
- Guideline:
- other: EPA "Pesticide Assessment Guidelines", Subdivision N, Chemistry: Environmental Fate EPA 540/9/82/021
- Deviations:
- not specified
- GLP compliance:
- yes
- Type of study:
- soil leaching
- Media:
- water - soil
Test material
- Reference substance name:
- Ametryn
- EC Number:
- 212-634-7
- EC Name:
- Ametryn
- Cas Number:
- 834-12-8
- Molecular formula:
- C9H17N5S
- IUPAC Name:
- N2-ethyl-6-(methylsulfanyl)-N4-(propan-2-yl)-1,3,5-triazine-2,4-diamine
- Details on test material:
- - Name of test material (as cited in study report): 14C-ametryn
- Lot/batch No.: NV-XXIV-20
- Radiochemical purity (if radiolabelling): 97.7%
- Specific activity (if radiolabelling): 26.2 µCi/mg
- Locations of the label (if radiolabelling): Distributed throughout the triazine ring moiety
Constituent 1
Results and discussion
Any other information on results incl. tables
Leachates accounted for less than 5% of applied dose. The soil extracts showed approximately 94% ametryn for sand, 68% for sandy loam, 69% for clay and 79% for loam.
Leaching of parent ametryn was demonstrated not to occur in any tested soil type and was not dependent on the percent organic matter or clay content of the soil.
An approximation of the desorption constants (Kd) for the Freundlich distribution of ametryn between an aqueous phase and soil was determined:
Sand: Kd = 195.8
Loam: Kd = 19.36
Clay: Kd = 855
Sandy loam: Kd = 19.53
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
