Registration Dossier
Registration Dossier
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EC number: 443-520-7 | CAS number: -
Adsorption / desorption
Administrative data
- Endpoint:
- adsorption / desorption: screening
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2002-04-30 - 2002-07-09
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 002
- Report date:
- 2002
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.19 (Estimation of the Adsorption Coefficient (KOC) on Soil and Sewage Sludge Using High Performance Liquid Chromatography (HPLC))
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- 2000-04-26
- Type of method:
- HPLC estimation method
- Media:
- soil
Test material
- Reference substance name:
- -
- EC Number:
- 443-520-7
- EC Name:
- -
- Cas Number:
- 33016-77-2
- Molecular formula:
- C2H4Na4O6P2
- IUPAC Name:
- tetrasodium (1-phosphonatoethenyl)phosphonate
- Test material form:
- solid
Constituent 1
- Specific details on test material used for the study:
- - Synonyms: ITC 908, vinylidenephosphonic acid tetrasodium salt (VDPA tetrasodium salt)
- Lot/batch No.of test material: 562CH/646
- Purity: > 85%
- Storage condition of test material: Room temperature, in the dark
Results and discussion
Adsorption coefficientopen allclose all
- Type:
- Koc
- Value:
- < 17.8 dimensionless
- pH:
- 7
- Type:
- log Koc
- Value:
- < 1.25 dimensionless
- pH:
- 7
Applicant's summary and conclusion
- Conclusions:
- The adsorption coefficient (Koc) of the test material has been determined to be less than 17.8, log10 Koc < 1.25.
- Executive summary:
The adsorption coefficient (Koc) of the test material has been determined to be less than 17.8, log10 Koc < 1.25.
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