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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicological information

Basic toxicokinetics

Currently viewing:

Administrative data

Endpoint:
basic toxicokinetics in vivo
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
documentation insufficient for assessment

Data source

Reference
Reference Type:
publication
Title:
Summaries of toxicological data
Author:
Yang, S.S. et al
Year:
1964
Bibliographic source:
Fd. Cosmet. Toxicol. 2, 763-767 (1964)

Materials and methods

Objective of study:
excretion
Principles of method if other than guideline:
Single doses of Na2EDTA were administered and the amount excreted in urine determined.
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Disodium dihydrogen ethylenediaminetetraacetate
EC Number:
205-358-3
EC Name:
Disodium dihydrogen ethylenediaminetetraacetate
Cas Number:
139-33-3
Molecular formula:
C10H14N2Na2O8
IUPAC Name:
disodium dihydrogen 2,2',2'',2'''-(ethane-1,2-diyldinitrilo)tetraacetate
Test material form:
solid
Radiolabelling:
not specified

Test animals

Species:
rat
Strain:
not specified
Sex:
not specified

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
not specified
Details on exposure:
no data
Duration and frequency of treatment / exposure:
no data
Doses / concentrationsopen allclose all
Dose / conc.:
47.5 other: mg/animal
Remarks:
corresponding to 237.5 mg/kg bw; assuming a body weight of 200 g
Dose / conc.:
95 other: mg/animal
Remarks:
corresponding to 475.0 mg/kg bw; assuming a body weight of 200 g
Dose / conc.:
142.5 other: mg/animal
Remarks:
corresponding to 712.5 mg/kg bw; assuming a body weight of 200 g
No. of animals per sex per dose / concentration:
no data
Control animals:
not specified
Details on study design:
no data
Details on dosing and sampling:
no data
Statistics:
no data

Results and discussion

Toxicokinetic / pharmacokinetic studies

Details on absorption:
no data
Details on distribution in tissues:
no data
Details on excretion:
The amount of EDTA excreted in urine was directly proportional to the amount ingested. The peak urinary excretion was after 4 h. The authors concluded that due to the linear relationship EDTA is most likely absorbed by diffusion.

Metabolite characterisation studies

Details on metabolites:
no data

Applicant's summary and conclusion