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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:
2003
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2003
Report date:
2003

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: OECD 405
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
Iodo-tris(triphenylphosphine)copper(I)
EC Number:
454-330-9
EC Name:
Iodo-tris(triphenylphosphine)copper(I)
Cas Number:
15709-82-7
Molecular formula:
Hill formula: C54H45CuIP3 CAS formula: C54H45CuIP3
IUPAC Name:
Iodo-tris(triphenylphosphine)copper(I)
Details on test material:
Nature of substance: Puder
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: 219001
- Expiration date of the lot/batch: January 01 , 2004

STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: dry, room temperature, closed container

Test animals / tissue source

Species:
rabbit
Strain:
New Zealand White
Details on test animals or tissues and environmental conditions:
Species / Strain: Rabbits
breed: White New Zealanders (SPF Crl:NZW)
Rationale: The rabbit is the preferred species for acute eye irritation/corrosion studies and is acceptable to regulatory authorities.
Sex: male
Supplier: Charles River Wiga GmbH, D-97320 Sulzfeld
Hygiene status upon supply: SPF
Acclimatisation: The animals were housed 3 weeks before administration to the housing conditions of the test facility. In this time no signs were observed which indicated illness or other injury.
Body weight in g: 2.878 at the start of the study to 2.977 at the conclusion of the study (average values)
Identification: cage labelling showing the animal number, study number, time of dosing

Test system

Vehicle:
unchanged (no vehicle)
Controls:
yes, concurrent negative control
Amount / concentration applied:
100 mg
Duration of treatment / exposure:
24 h
Observation period (in vivo):
72 h
Number of animals or in vitro replicates:
3
Details on study design:
The test was carried out with three rabbits.

Both eyes of each animal were examined approximately 24 hours before testing. Two to three drops of a fluorescein sodium solution (0.5 % in deionised water) were instilled into the conjunctival sac and rinsed out again after 30 sec with deionised water. No ocular defects were observed in any of the animals.

0.1 g of the test item were instilled into the conjunctival sac of one eye of each animal after gently pulling the lower lid away from the eyeball. The lids were then held together gently for some seconds in order to prevent loss of the material.

The other eye of the same animal, which remained untreated, served as control.

Administration was performed on February 11th, 2003 , 7.46 - 7.49 a.m.

After an exposure period of 24 hours the treated eyes were rinsed out with deionised water carefully.

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
conjunctivae score
Remarks:
(redness)
Basis:
animal #1
Time point:
24/48/72 h
Score:
0
Irritation parameter:
conjunctivae score
Remarks:
(redness)
Basis:
animal #2
Time point:
24/48/72 h
Score:
0
Irritation parameter:
conjunctivae score
Remarks:
(redness)
Basis:
animal #3
Time point:
24/48/72 h
Score:
0
Irritation parameter:
chemosis score
Basis:
animal #1
Time point:
24/48/72 h
Score:
0
Irritation parameter:
chemosis score
Basis:
animal #2
Time point:
24/48/72 h
Score:
0
Irritation parameter:
chemosis score
Basis:
animal #3
Time point:
24/48/72 h
Score:
0
Irritation parameter:
cornea opacity score
Basis:
animal #1
Time point:
24/48/72 h
Score:
0
Irritation parameter:
cornea opacity score
Basis:
animal #2
Time point:
24/48/72 h
Score:
0
Irritation parameter:
cornea opacity score
Basis:
animal #3
Time point:
24/48/72 h
Score:
0
Irritation parameter:
iris score
Basis:
animal #1
Time point:
24/48/72 h
Score:
0
Irritation parameter:
iris score
Basis:
animal #2
Time point:
24/48/72 h
Score:
0
Irritation parameter:
iris score
Basis:
animal #3
Time point:
24/48/72 h
Score:
0
Irritant / corrosive response data:
Reversibility of any observed effect: Changes fully reversible within 2 days
Other effects:
No systemic effects.

Any other information on results incl. tables

Max. duration: 24 h; Max. value at end of observation period: 0 (related to all animals)

Applicant's summary and conclusion

Interpretation of results:
not irritating
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
not irritating
Executive summary:

The acute eye irritation/corrosion of the substance was tested in three albino rabbits.

The test item was instilled as the original substance after crushing with a pestle and mortar to a fine dust at a single dose of O.1 g to one of the eyes in each animal. The untreated eye was used for control.

The animals were examined for clinical signs and the eyes were examined for lesions of the conjunctivae, cornea and iris 60 minutes, 24, 48 and 72 hours after instillation of the test item. The grades for ocular lesions were recorded in accordance with the mentioned guideline.

The instillation of the test item caused a slight redness of the conjunctivae in all animals and a slight swelling of the conjunctivae in one animal on the day of instillation. A slight redness of the conjunctivae was observed in one animal one day thereafter too.

The cornea and the iris were not affected.

48 hours after instillation no signs of irritations were observed.

None of the animals died or showed clinical signs during the course of testing.

The alterations of the eyes after instillation of the substance do not meet the criteria for

classification of a substance as an eye irritant.