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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Eye irritation

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Administrative data

Endpoint:
eye irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: limited documentation, short report, pre- GLP

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1977
Report date:
1977

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 405 (Acute Eye Irritation / Corrosion)
GLP compliance:
no
Remarks:
pre-dates GLP

Test material

Constituent 1
Chemical structure
Reference substance name:
1-chloro-2,4-dinitrobenzene
EC Number:
202-551-4
EC Name:
1-chloro-2,4-dinitrobenzene
Cas Number:
97-00-7
Molecular formula:
C6H3ClN2O4
IUPAC Name:
1-chloro-2,4-dinitrobenzene
Details on test material:
pale yellow scales

Test animals / tissue source

Species:
rabbit
Strain:
Himalayan
Details on test animals or tissues and environmental conditions:
Food and water ad libitum

Test system

Vehicle:
unchanged (no vehicle)
Controls:
not required
Amount / concentration applied:
100 mg per eye
Duration of treatment / exposure:
24 h
Observation period (in vivo):
72 h
Number of animals or in vitro replicates:
6
Details on study design:
treated eyes were rinsed with 0.9 5 saline after 24 h, Observtions were done at 1, 7, 24 ,48, and 72 hours.

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
overall irritation score
Basis:
mean
Time point:
24 h
Score:
74
Reversibility:
not specified
Irritation parameter:
cornea opacity score
Basis:
mean
Time point:
24/48/72 h
Score:
52
Reversibility:
not specified
Remarks on result:
other: Own scale. Estimated score according to report details
Irritation parameter:
iris score
Basis:
mean
Time point:
24/48/72 h
Score:
10
Reversibility:
not specified
Remarks on result:
other: Own scale. Estimated score according to report details
Irritation parameter:
conjunctivae score
Basis:
mean
Time point:
24/48/72 h
Score:
14
Reversibility:
not specified
Remarks on result:
other: Own scale. Estimated score according to report details
Irritation parameter:
chemosis score
Basis:
mean
Time point:
24/48/72 h
Score:
0
Remarks on result:
not measured/tested

Applicant's summary and conclusion

Interpretation of results:
highly irritating
Remarks:
Migrated information Criteria used for interpretation of results: expert judgment
Conclusions:
1-Chloro-2,4-dinitrobenzene was highly irritating in the rabiit eye after 24 h tretment using the pure material.