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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
sub-chronic toxicity: oral
Type of information:
read-across based on grouping of substances (category approach)
Adequacy of study:
key study
Justification for type of information:
see attached justification
Cross-reference
Reason / purpose for cross-reference:
read-across: supporting information

Data source

Materials and methods

Test material

Constituent 1
Chemical structure
Reference substance name:
Potassium mercaptoacetate
EC Number:
252-038-4
EC Name:
Potassium mercaptoacetate
Cas Number:
34452-51-2
Molecular formula:
C2H4O2S.K
IUPAC Name:
potassium sulfanylacetate

Results and discussion

Effect levels

open allclose all
Key result
Dose descriptor:
NOAEL
Effect level:
23 mg/kg bw/day (actual dose received)
Based on:
test mat.
Sex:
male/female
Basis for effect level:
clinical biochemistry
haematology
histopathology: non-neoplastic
mortality
Remarks on result:
other: corrected for molecular weight differences
Dose descriptor:
LOAEL
Effect level:
68 mg/kg bw/day (actual dose received)
Based on:
test mat.
Sex:
male/female
Basis for effect level:
clinical biochemistry
haematology
histopathology: non-neoplastic
mortality
Remarks on result:
other: corrected for molecular weight differences

Target system / organ toxicity

Key result
Critical effects observed:
yes
Lowest effective dose / conc.:
68 mg/kg bw/day (actual dose received)
System:
hepatobiliary
Organ:
liver
Treatment related:
yes
Dose response relationship:
yes
Relevant for humans:
not specified

Applicant's summary and conclusion

Conclusions:
Based on data for NaTG, the subchronic oral NOAEL of KTG is assumed to be 23 mg/kg bw/day.