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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: sufficient documented and scientifically acceptable
Cross-reference
Reason / purpose for cross-reference:
reference to same study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1980
Report date:
1980

Materials and methods

Principles of method if other than guideline:
a cotton swab soaked with 0.5 ml of compound was applied into the ear of 1-2 rabbits for 1, 8 or 24 h. Post-observation time was 7 days
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
1,3-dichloro-5-isocyanatobenzene
EC Number:
252-276-9
EC Name:
1,3-dichloro-5-isocyanatobenzene
Cas Number:
34893-92-0
Molecular formula:
C7H3Cl2NO
IUPAC Name:
1,3-dichloro-5-isocyanatobenzene
Details on test material:
no data

Test animals

Species:
rabbit
Strain:
New Zealand White

Test system

Type of coverage:
semiocclusive
Preparation of test site:
not specified
Vehicle:
unchanged (no vehicle)
Controls:
not required
Duration of treatment / exposure:
1, 8, or 24 h
Observation period:
up to 7 days
Number of animals:
1-2

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
erythema score
Basis:
mean
Time point:
other: 24h, 2, 5, 6, 7 d
Score:
0
Max. score:
4
Remarks on result:
other: exposure for 1 h
Irritation parameter:
edema score
Basis:
mean
Time point:
other: 24h, 2, 5, 6, 7 d
Score:
0
Max. score:
4
Remarks on result:
other: exposure for 1 h
Irritation parameter:
erythema score
Basis:
mean
Time point:
other: 24h, 2, 5, 6, 7 d
Score:
0
Max. score:
4
Remarks on result:
other: exposure for 8 h
Irritation parameter:
edema score
Basis:
mean
Time point:
other: 24h, 2, 5, 6, 7 d
Score:
0
Max. score:
4
Remarks on result:
other: exposure for 8 h
Irritation parameter:
erythema score
Basis:
mean
Time point:
other: 24h, 2, 5, 6, 7 d
Score:
4
Max. score:
4
Reversibility:
not fully reversible within: 7 d
Remarks on result:
other: exposure for 24 h
Irritation parameter:
edema score
Basis:
mean
Time point:
other: 24 and 48 h
Score:
1
Max. score:
4
Remarks on result:
other: exposure for 24 h
Other effects:
no data

Any other information on results incl. tables

After the removal of the bandage there was no skin reaktion on 1 of the 2 animals treated for 1 hours and on both rabbits treated for 8 hours. The rabbit treated for 24 hours showed a strong erythema and up to 2 days a mildly edema.

Applicant's summary and conclusion

Interpretation of results:
not irritating
Remarks:
Migrated information
Executive summary:

method: a cotton swab soaked with 0.5 ml of compound was applied into the ear of 1-2 rabbits for 1, 8 or 24 h. Post-observation time was 7 days

result: not irritating (application time: 1 or 8 h)