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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Study period:
11 - 18 Mar 1991
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Guideline study with acceptable restrictions. Limited information on test substance and test protocol, occlusive conditions.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1991
Report date:
1991

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
Deviations:
yes
Remarks:
limited information on test substance and test protocol, occlusive conditions
GLP compliance:
not specified

Test material

Constituent 1
Reference substance name:
Isopropyl laurate
EC Number:
233-560-1
EC Name:
Isopropyl laurate
Cas Number:
10233-13-3
IUPAC Name:
isopropyl laurate
Details on test material:
- Name of test material (as cited in study report): laurate isopropyle
- Lot No. 2102 EL
- Density: 0.8330 g/mL
- Physical state: transparent liquid
- Analytical purity: no data

Test animals

Species:
rabbit
Strain:
other: New Zealand
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source: Jegard
- Weight at study initiation: 1.84 kg
- Acclimation period: 4 days

Test system

Type of coverage:
occlusive
Preparation of test site:
shaved
Vehicle:
unchanged (no vehicle)
Controls:
other: untreated sites served as control
Amount / concentration applied:
TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 0.5 mL
- Concentration (if solution): pure undiluted substance
Duration of treatment / exposure:
4 hours
Observation period:
7 days
Reading time points: 1, 24, 48, 72 h and 7 days
Number of animals:
3 (male)
Details on study design:
Patch Method according to Selon J.O. R.F. ler Fevrier, 1982

REMOVAL OF TEST SUBSTANCE
- Washing (if done): no

SCORING SYSTEM: Directive 67/548/CEE

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
erythema score
Basis:
animal #1
Time point:
other: mean over 24, 48 and 72 h
Score:
0.7
Max. score:
4
Reversibility:
fully reversible within: 72 h
Irritation parameter:
erythema score
Basis:
animal #2
Time point:
other: mean over 24, 48 and 72 h
Score:
0
Max. score:
4
Reversibility:
other: reversibility: not applicable
Irritation parameter:
erythema score
Basis:
animal #3
Time point:
other: mean over 24, 48 and 72 h
Score:
0
Max. score:
4
Reversibility:
other: reversibility: not applicable
Irritation parameter:
edema score
Basis:
animal #1
Time point:
other: mean over 24, 48 and 72 h
Score:
0.7
Max. score:
4
Reversibility:
fully reversible within: 72 h
Irritation parameter:
edema score
Basis:
animal #2
Time point:
other: mean over 24, 48 and 72 h
Score:
0
Max. score:
4
Reversibility:
other: reversibility: not applicable
Irritation parameter:
edema score
Basis:
animal #3
Time point:
other: mean over 24, 48 and 72 h
Score:
0
Max. score:
4
Reversibility:
other: reversibility: not applicable

Applicant's summary and conclusion

Interpretation of results:
not irritating
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
CLP: not classified
DSD: not classified