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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Skin irritation / corrosion

Currently viewing:

Administrative data

Endpoint:
skin corrosion: in vitro / ex vivo
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018
Report date:
2018

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 431 (In Vitro Skin Corrosion: Reconstructed Human Epidermis (RHE) Test Method)
Deviations:
no
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
2,2'-ethylenedithiodiethanol
EC Number:
226-045-8
EC Name:
2,2'-ethylenedithiodiethanol
Cas Number:
5244-34-8
Molecular formula:
C6H14O2S2
IUPAC Name:
2,2'-Ethylenedithiodiethanol

In vitro test system

Test system:
human skin model
Source species:
other: n.a. Three-dimensional human skin model,
Cell type:
other: n.a. Three-dimensional human skin model,
Cell source:
other: n.a. Three-dimensional human skin model,
Source strain:
not specified

Results and discussion

In vitro

Resultsopen allclose all
Irritation / corrosion parameter:
% tissue viability
Run / experiment:
Three Minute Exposure Period
Value:
98
Vehicle controls validity:
valid
Negative controls validity:
valid
Positive controls validity:
valid
Remarks on result:
no indication of irritation
Irritation / corrosion parameter:
% tissue viability
Run / experiment:
One Hour Exposure Period
Value:
104
Vehicle controls validity:
valid
Negative controls validity:
valid
Positive controls validity:
valid
Remarks on result:
no indication of irritation

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
The test article, 2,2'-ethylenedithiodiethanol, was considered to be non-corrosive
according to the UN GHS classification system.