Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

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.

Diss Factsheets

Administrative data

Endpoint:
phototransformation in soil
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: Documentation insufficient for assessment.

Data source

Reference
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:
1992
Bibliographic source:
The Handbook of Environmental Chemistry, Vol. 3, Part F, Hutzinger, O. Ed., Springer-Verlag, Berlin

Materials and methods

GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Etidronic acid
EC Number:
220-552-8
EC Name:
Etidronic acid
Cas Number:
2809-21-4
Molecular formula:
C2H8O7P2
IUPAC Name:
(1-hydroxyethane-1,1-diyl)bis(phosphonic acid)
Details on test material:
Test type: other: lake water/sediments

14-C labelled HEDP
Radiolabelling:
yes

Study design

Duration of test at given test condition
Initial conc. measured:
1 other: mg/l

Results and discussion

% Degradation
% Degr.:
0.2 - 5.2
Sampling time:
50 d

Applicant's summary and conclusion