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EC number: 298-680-9 | CAS number: 93820-97-4
Eye irritation
Administrative data
- Endpoint:
- eye irritation: in vivo
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 26 - 31 May 1999
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Remarks:
- The analytical purity of the test substance was not specified.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 999
- Report date:
- 1999
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 405 (Acute Eye Irritation / Corrosion)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method B.5 (Acute Toxicity: Eye Irritation / Corrosion)
- Deviations:
- no
- GLP compliance:
- yes
Test material
- Reference substance name:
- Isooctadecyl palmitate
- EC Number:
- 276-719-0
- EC Name:
- Isooctadecyl palmitate
- Cas Number:
- 72576-80-8
- IUPAC Name:
- 72576-80-8
Constituent 1
Test animals / tissue source
- Species:
- rabbit
- Strain:
- New Zealand White
- Details on test animals or tissues and environmental conditions:
- TEST ANIMALS
- Source: ESD (Chatillon sur Chalaronne, France)
- Weight at study initiation: 2-2.5 kg
- Housing: animals were housed individually in high impact polystyrene cages with a mesh floor
- Diet: Food ref. 112 (U.A.R., Epinay sur Orge, France)
- Water: tap water, ad libitum
- Acclimation period: at least 5 days
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 18-22
- Humidity (%): 30-80
- Photoperiod (hrs dark / hrs light): 12/12
IN-LIFE DATES: From: 26 May 1999 To: 31 May 1999
Test system
- Vehicle:
- unchanged (no vehicle)
- Controls:
- other: the untreated eye served as control
- Amount / concentration applied:
- TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 0.1 mL - Duration of treatment / exposure:
- Single application without washing
- Observation period (in vivo):
- 7 days
Reading time points: 1, 24, 48 and 72 h, and 7 days - Number of animals or in vitro replicates:
- 3 males
- Details on study design:
- REMOVAL OF TEST SUBSTANCE
- Washing (if done): the treated eye was not washed
SCORING SYSTEM: Draize scoring system
TOOL USED TO ASSESS SCORE: After instilling 2% fluorescein into the eyes, any damage was assessed with a UV-lamp
Results and discussion
In vivo
Resultsopen allclose all
- Irritation parameter:
- cornea opacity score
- Basis:
- mean
- Remarks:
- of 3 animals
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Reversibility:
- other: reversibility not applicable
- Irritation parameter:
- iris score
- Basis:
- mean
- Remarks:
- of 3 animals
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 2
- Reversibility:
- other: reversibility not applicable
- Irritation parameter:
- conjunctivae score
- Basis:
- animal #1
- Time point:
- 24/48/72 h
- Score:
- 0.33
- Max. score:
- 3
- Reversibility:
- fully reversible within: 48 h
- Irritation parameter:
- conjunctivae score
- Basis:
- animal #2
- Time point:
- 24/48/72 h
- Score:
- 0.33
- Max. score:
- 3
- Reversibility:
- fully reversible within: 48 h
- Irritation parameter:
- conjunctivae score
- Basis:
- animal #3
- Time point:
- 24/48/72 h
- Score:
- 0.33
- Max. score:
- 4
- Reversibility:
- fully reversible within: 48 h
- Irritation parameter:
- chemosis score
- Basis:
- mean
- Remarks:
- of 3 animals
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Reversibility:
- other: reversibility not applicable
- Irritant / corrosive response data:
- At the 1-hour reading time point, 3/3 rabbits had slight-moderate conjunctivae (scores 1, 1, 2) and 2/3 slight chemosis (scores 0, 1, 1). The chemosis had cleared by the 24-hour reading time point, while 3/3 animals still had slight conjunctivae (scores 1, 1, 1). All eye irritation effects were fully reversible within 48 hours.
Any other information on results incl. tables
Table 1: Eye irritation score
Rabbit #
|
Time [h]
|
conjunctivae
|
iris
|
cornea
|
|
redness |
chemosis |
||||
1
|
1 |
1 |
0 |
0 |
0 |
24 |
1 |
0 |
0 |
0 |
|
48 |
0 |
0 |
0 |
0 |
|
72 |
0 |
0 |
0 |
0 |
|
average |
0.33 |
0.0 |
0.0 |
0.0 |
|
2
|
1 |
2 |
1 |
0 |
0 |
24 |
1 |
0 |
0 |
0 |
|
48 |
0 |
0 |
0 |
0 |
|
72 |
0 |
0 |
0 |
0 |
|
average |
0.33 |
0.0 |
0.0 |
0.0 |
|
3
|
1 |
1 |
1 |
0 |
0 |
24 |
1 |
0 |
0 |
0 |
|
48 |
0 |
0 |
0 |
0 |
|
72 |
0 |
0 |
0 |
0 |
|
average |
0.33 |
0.0 |
0.0 |
0.0 |
|
Applicant's summary and conclusion
- Interpretation of results:
- other: CLP/EU GHS criteria not met, no classification required according to Regulation (EC) No 1272/2008.
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