Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
skin irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2001
Report date:
2001

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
Deviations:
no
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
Di-2-thienylglycolic acid methyl ester
Cas Number:
26447-85-8
Molecular formula:
C11 H10 O3 S2
IUPAC Name:
Di-2-thienylglycolic acid methyl ester

Test animals

Species:
rabbit
Strain:
New Zealand White

Test system

Type of coverage:
semiocclusive
Preparation of test site:
other: clipped
Vehicle:
unchanged (no vehicle)
Controls:
yes
Duration of treatment / exposure:
4h
Observation period:
72h
Number of animals:
3

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
erythema score
Basis:
mean
Time point:
other: 1 h
Score:
0
Max. score:
0
Irritation parameter:
erythema score
Basis:
mean
Time point:
other: 24 h
Score:
0
Max. score:
0
Irritation parameter:
erythema score
Basis:
mean
Time point:
other: 48 h
Score:
0
Max. score:
0
Irritation parameter:
erythema score
Basis:
mean
Time point:
other: 72 h
Score:
0
Max. score:
0
Irritation parameter:
edema score
Basis:
mean
Time point:
other: 1 h
Score:
0
Max. score:
0
Irritation parameter:
edema score
Basis:
mean
Time point:
other: 24 h
Score:
0
Max. score:
0
Irritation parameter:
edema score
Basis:
mean
Time point:
other: 48 h
Score:
0
Max. score:
0
Irritation parameter:
edema score
Basis:
mean
Time point:
other: 72 h
Score:
0
Max. score:
0

Applicant's summary and conclusion

Interpretation of results:
not irritating
Remarks:
Migrated information Criteria used for interpretation of results: OECD GHS
Conclusions:
Considering the reported data of this irritation study it can be stated that the test item BA 679 Thienyl-glycolester showed no
irritant/corrosive effects.