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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
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment

Data source

Reference
Reference Type:
publication
Title:
Unnamed
Year:
1990

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 405 (Acute Eye Irritation / Corrosion)
Deviations:
not specified
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
3,5-dinitrosalicylic acid
EC Number:
210-204-3
EC Name:
3,5-dinitrosalicylic acid
Cas Number:
609-99-4
Molecular formula:
C7H4N2O7
IUPAC Name:
3,5-dinitrosalicylic acid
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: chemiclas used in this study were purchased from Wako Pure Chemical Industry (Osaka, Japan), Sigma Chem. Co. (St. Louis, USA), Aldrich Chemical Company (Wisconsin, USA), Dojindo Laboratories (Kumamoto, Japan), Tokyo Kasei Kogyo Co. (Tokyo, Japan)

Test animals / tissue source

Species:
rabbit
Strain:
other: Female Japanese white rabbits
Details on test animals or tissues and environmental conditions:
TEST ANIMALS
- Source: Takeo breeder, Shizuoka, Japan
- Weight at study initiation: 2.0-2.2 kg
- Housing: metal cages (39 X40 X44 cm
- Diet (e.g. ad libitum): RC4 diet, Oriental Yeast Co., Tokyo, Japan, ad libitum
- Water (e.g. ad libitum): water ad libitum

ENVIRONMENTAL CONDITIONS
- Temperature (°C): 25±1°C
- Humidity (%): 55±5%
- Photoperiod (hrs dark / hrs light): 12/12

Test system

Vehicle:
unchanged (no vehicle)
Controls:
yes, concurrent no treatment
Amount / concentration applied:
TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 100 mg

VEHICLE
- Amount(s) applied (volume or weight with unit): none
Duration of treatment / exposure:
single application
ocular reaction was recorded 1, 4, 24, 48, 72, 96hr, 7, 14 and 21 days after the treatment
Observation period (in vivo):
ocular reaction was recorded 1, 4, 24, 48, 72, 96hr, 7, 14 and 21 days after the treatment
Number of animals or in vitro replicates:
three
Details on study design:
REMOVAL OF TEST SUBSTANCE
- Washing (if done): not specified

SCORING SYSTEM: Draize score (Draize et al., 1944

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
cornea opacity score
Basis:
animal: # 1-3 each
Reversibility:
fully reversible within: 24 h
Remarks on result:
other: Non-or mild irritant
Irritation parameter:
iris score
Basis:
animal: # 1-3 each
Reversibility:
fully reversible within: 24 h
Remarks on result:
other: Non-or mild irritant
Irritation parameter:
conjunctivae score
Basis:
animal: # 1-3 each
Reversibility:
fully reversible within: 24 h
Remarks on result:
other: Non-or mild irritant
Irritation parameter:
chemosis score
Basis:
animal: # 1-3 each
Reversibility:
fully reversible within: 24 h
Remarks on result:
other: Non-or mild irritant

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Remarks:
The test item has not to be classified for eye irritation according to Regulation (EC) No 1272/2008.
Conclusions:
The test item was found to be a non-or mild irritant which shows at most minimal irritation recovering within 24 hr.

Therefore, the test item has not to be classified for eye irritation according to Regulation (EC) No 1272/2008.
Executive summary:

Three healthy female Japanese white rabbits were used for testing of eye irritation according to OECD TG 405. The test item (100 mg) was placed into the conjunctival sac of the left eye. The right eye was served as a blank. The eyes were examined and the grade of ocular reaction was recorded 1, 4, 24, 48, 72, 96 hr, 7, 14 and 21 days after the treatment. Corneal opacity, erythema, chemosis, and iritis were classified according to the Draize score. The eye irritation score and recovery time of corneal and conjunctival damages were used as the grade of eye irritation potential.

The test item was found to be a non-or mild irritant which shows at most minimal irritation recovering within 24 hr.

Therefore, the test item has not to be classified for eye irritation according to Regulation (EC) No 1272/2008.