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Toxicological information

Skin irritation / corrosion

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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-[(2-hydroxyethyl)sulfanyl]ethyl}sulfanyl)ethan-1-ol

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.