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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: equivalent to OECD 404

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1988
Report date:
1988

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
3,4-dichlorophenyl isocyanate
EC Number:
203-026-2
EC Name:
3,4-dichlorophenyl isocyanate
Cas Number:
102-36-3
Molecular formula:
C7H3Cl2NO
IUPAC Name:
1,2-dichloro-4-isocyanatobenzene
Details on test material:
purity: 99.4%

Test animals

Species:
rabbit
Strain:
New Zealand White

Test system

Type of coverage:
semiocclusive
Preparation of test site:
shaved
Vehicle:
other: polyethylene glycol 400
Controls:
not required
Duration of treatment / exposure:
24
Observation period:
30-60 min, 24, 48, 72 h, 7 and 14 d after removal of plaster
Number of animals:
3

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
erythema score
Basis:
mean
Time point:
24/48/72 h
Score:
1.2
Max. score:
4
Reversibility:
fully reversible
Irritation parameter:
edema score
Basis:
mean
Time point:
24/48/72 h
Score:
0.7
Max. score:
4
Reversibility:
fully reversible
Other effects:
no data

Any other information on results incl. tables

no data

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Executive summary:

patch test: 4 h semiocclusive on 3 rabbits

result: mildly irritating