Registration Dossier
Registration Dossier
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The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
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EC number: 248-660-0 | CAS number: 27794-93-0
Additional physico-chemical information
Administrative data
- Type of information:
- migrated information: read-across based on grouping of substances (category approach)
- Adequacy of study:
- other information
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: These data are from a recognised data source for information on pKa values and stability constants (Martell and Sillen).
Data source
Referenceopen allclose all
- Reference Type:
- review article or handbook
- Title:
- Environmental properties and safety assessment of organic phosphonates used for detergent and water treatment applications
- Author:
- Gledhill W E, Feijtel T C J
- Year:
- 1 992
- Bibliographic source:
- The Handbook of Environmental Chemistry, Vol. 3, Part F, Hutzinger, O. Ed., Springer-Verlag, Berlin
- Reference Type:
- review article or handbook
- Title:
- Stability constants
- Author:
- Martell AE and Sillen LG
- Year:
- 1 968
- Bibliographic source:
- Supplement No.1 Special Publication 25. The London Chemical Society, Alden Press, London
Materials and methods
Test material
- Reference substance name:
- [nitrilotris(methylene)]trisphosphonic acid, sodium salt
- EC Number:
- 243-900-0
- EC Name:
- [nitrilotris(methylene)]trisphosphonic acid, sodium salt
- Cas Number:
- 20592-85-2
- IUPAC Name:
- sodium hydrogen {[bis(phosphonomethyl)amino]methyl}phosphonate
Constituent 1
Results and discussion
- Results:
- Memo: A wide range of stability constants for the association of the substance with metal ions is available. These all show high values, suggesting that in the environment the substance will be associated with ions such as calcium and magnesium.
Any other information on results incl. tables
In order of complexation strength, values of the log10 of
the stability constants of representative metals with ATMP
are:
Hg 21.7
Co 18.4
Cu 17
Pb 16.4
Ni 15.5
Zn 14.1
Cd 12.7
Ca 7.6
Mg 6.7
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.
