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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
Study period:
2002-04-10 to 2002-04-22
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2002
Report date:
2002

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method B.5 (Acute Toxicity: Eye Irritation / Corrosion)
Version / remarks:
1992
Deviations:
yes
Remarks:
purity and stability of test item not given; strain not stated
GLP compliance:
yes (incl. QA statement)
Remarks:
signed 2001-08-22

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid: particulate/powder
Details on test material:
- State of aggregation: yellow green powder
Specific details on test material used for the study:
STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: dry, cool and dark room

Test animals / tissue source

Species:
rabbit
Strain:
other: albino
Details on test animals or tissues and environmental conditions:
TEST ANIMALS
- Source: Dr. Zimmermann, Schweizer Hof, D-73453 Untergröningen/Aalen, Germany
- Weight at administration day: 2960 to 3076 g
- Housing: housed individually in zinc wire cages (surface: 2450 cm², height: 42 cm) without bedding material
- Diet (ad libitum): Raiffeisen Ringfutter Kaninchen, Trockenfutter 52/P Raiffeisen, Kraftfutter Kehl
- Water (ad libitum): tap water
- Acclimation period: 5 days

ENVIRONMENTAL CONDITIONS
- Temperature: 20 - 23°C
- Relative humidity: 30 -70 %
- Photoperiod (hrs dark / hrs light): 12/12

Test system

Vehicle:
unchanged (no vehicle)
Controls:
no
Amount / concentration applied:
TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 0.1 g of test item was applied into the conjunctival sac of the right eye. The left eye was left untreated ansd served as control.
Duration of treatment / exposure:
24 hours
Observation period (in vivo):
1 hour and Days 1, 2, 3, 4 , 5, and 7 after administration
Duration of post- treatment incubation (in vitro):
not applicable
Number of animals or in vitro replicates:
3 male rabbits
Details on study design:
REMOVAL OF TEST SUBSTANCE
- Washing: the treated eye was washed with 0.9 % NaCl solution
- Time after start of exposure: 24 hours

SCORING SYSTEM: according to the Draize scale

EXAMINATIONS:
Mortality, clinical signs, behaviour, body weight, and eye reactions

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
cornea opacity score
Basis:
mean
Remarks:
animal #1
Time point:
24/48/72 h
Score:
0
Max. score:
4
Irritation parameter:
iris score
Basis:
mean
Remarks:
animal #1
Time point:
24/48/72 h
Score:
0
Max. score:
2
Irritation parameter:
conjunctivae score
Basis:
mean
Remarks:
animal #1
Time point:
24/48/72 h
Score:
0
Max. score:
3
Irritation parameter:
chemosis score
Basis:
mean
Remarks:
animal #1
Time point:
24/48/72 h
Score:
0
Max. score:
4
Irritation parameter:
cornea opacity score
Basis:
mean
Remarks:
animal #2
Time point:
24/48/72 h
Score:
0
Max. score:
4
Irritation parameter:
iris score
Basis:
mean
Remarks:
animal #2
Time point:
24/48/72 h
Score:
0
Max. score:
2
Irritation parameter:
conjunctivae score
Basis:
mean
Remarks:
animal #2
Time point:
24/48/72 h
Score:
0
Max. score:
3
Irritation parameter:
chemosis score
Basis:
mean
Remarks:
animal #2
Time point:
24/48/72 h
Score:
0
Max. score:
4
Irritation parameter:
cornea opacity score
Basis:
mean
Remarks:
animal #3
Time point:
24/48/72 h
Score:
0
Max. score:
4
Irritation parameter:
iris score
Basis:
mean
Remarks:
animal #3
Time point:
24/48/72 h
Score:
0
Max. score:
2
Irritation parameter:
conjunctivae score
Basis:
mean
Remarks:
animal #3
Time point:
24/48/72 h
Score:
0
Max. score:
3
Irritation parameter:
chemosis score
Basis:
mean
Remarks:
animal #3
Time point:
24/48/72 h
Score:
0
Max. score:
4
Irritant / corrosive response data:
No conjunctival redness or chemosis were observed in any of the three rabbits. In addition, no effects on the cornea or iris were observed.
Other effects:
- no mortality was observed.
- behaviour was calm and alert. It did not differ from rabbits, which were not involved in the study.
- rabbits gained body weight throughout the study period.

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
The substance is not irritating to the eyes.
According to Regulation (EC) No 1272/2008 and subsequent adaptations, the substance does not require classification as eye irritant.