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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 irritation: in vivo
Type of information:
migrated information: read-across based on grouping of substances (category approach)
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: see 'Remark'
Remarks:
GLP Guideline study. According to the ECHA guidance document “Practical guide 6: How to report read-across and categories (March 2010)”, the reliability was changed from RL1 to RL2 to reflect the fact that this study was conducted on a read-across substance.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1994
Report date:
1994

Materials and methods

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

Test material

Constituent 1
Reference substance name:
68891-38-3 (purity 70%)
IUPAC Name:
68891-38-3 (purity 70%)
Details on test material:
- Name of test material (as cited in study report): trade name
- Ethoxylation degree: No data
- Physical state: Colourless to yellowish paste
- Analystical purity: 70% a.i.
- Lot/batch No.: 198/3
- Storage condition of test material: At RT in the dark

Test animals

Species:
rabbit
Strain:
New Zealand White
Details on test animals or test system and environmental conditions:
According to Guideline.

Test system

Type of coverage:
semiocclusive
Preparation of test site:
shaved
Vehicle:
unchanged (no vehicle)
Controls:
not required
Amount / concentration applied:
0.5 g
Duration of treatment / exposure:
4 h
Observation period:
21 days
Number of animals:
3

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
erythema score
Basis:
mean
Time point:
other: 24+48+72 h
Score:
3.2
Max. score:
4
Reversibility:
fully reversible
Irritation parameter:
edema score
Basis:
mean
Time point:
other: 24+48+72 h
Score:
3.2
Max. score:
4
Reversibility:
fully reversible

Applicant's summary and conclusion

Interpretation of results:
irritating
Remarks:
Migrated information R38 Criteria used for interpretation of results: EU