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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP guideline study

Data source

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

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method B.4 (Acute Toxicity: Dermal Irritation / Corrosion)
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
3-Isocyanatomethyl-3,5,5-trimethylcyclohexyl isocyanate, oligomers, reaction products with 2-butanone oxime
EC Number:
500-287-7
EC Name:
3-Isocyanatomethyl-3,5,5-trimethylcyclohexyl isocyanate, oligomers, reaction products with 2-butanone oxime
Cas Number:
103170-26-9
Molecular formula:
>= C48H81N9O9 (IPDI-Isocyanurate n=3, 2-butanone oxime-blocked)
IUPAC Name:
3-Isocyanatomethyl-3,5,5-trimethylcyclohexyl isocyanate, oligomers, reaction products with 2-butanone oxime

Test animals

Species:
rabbit
Strain:
New Zealand White
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- SPF Quality
- Source: Charles River Deutschland, Kisslegg, Germany
- Age at study initiation: at least 6 weeks old; weights between 1.0 and 3.5 kg
- sex: males

Test system

Type of coverage:
semiocclusive
Preparation of test site:
clipped
Vehicle:
other: solid was moistened with 0.3 mL water
Controls:
other: surrounding untreated skin area of test animals served as control
Amount / concentration applied:
Amount: 0.5 g
Duration of treatment / exposure:
4 hours
Observation period:
1, 24, 48, and 72 hours after application
Number of animals:
3
Details on study design:
TEST SITE
- Area of exposure: approx. 6 cm²
- Type of wrap if used: non irritating tape

REMOVAL OF TEST SUBSTANCE
- 4 hours after application the dressing was removed and the skin cleaned of residual test substance using water

SCORING SYSTEM: Draize

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
erythema score
Basis:
animal #1
Time point:
24/48/72 h
Score:
0
Max. score:
4
Remarks on result:
no indication of irritation
Irritation parameter:
erythema score
Basis:
animal #2
Time point:
24/48/72 h
Score:
0
Max. score:
4
Remarks on result:
no indication of irritation
Irritation parameter:
erythema score
Basis:
animal #3
Time point:
24/48/72 h
Score:
0
Max. score:
4
Remarks on result:
no indication of irritation
Irritation parameter:
edema score
Basis:
animal #1
Time point:
24/48/72 h
Score:
0
Max. score:
3
Remarks on result:
no indication of irritation
Irritation parameter:
edema score
Basis:
animal #2
Time point:
24/48/72 h
Score:
0
Max. score:
3
Remarks on result:
no indication of irritation
Irritation parameter:
edema score
Basis:
animal #3
Time point:
24/48/72 h
Score:
0
Max. score:
3
Remarks on result:
no indication of irritation
Other effects:
There were no systemic intolerance reactions.

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:




Classification: not irritating
Executive summary:

In a study performed according to OECD 404 the test item was shown to be not irritating to rabbit's skin. No systemic intolerance reactions were observed.