Registration Dossier
Registration Dossier
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EC number: 942-072-4 | CAS number: -
Eye irritation
Administrative data
- Endpoint:
- eye irritation: in vivo
- Type of information:
- migrated information: read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- weight of evidence
- Study period:
- 15 May - 16 Jul 1987
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: see 'Remark'
- Remarks:
- GLP - Guideline study, tested with the source substance Fatty acids, coco, 2-ethylhexyl esters (CAS 92044-87-6). According to the ECHA guidance document 'Practical guide 6: How to report read-across and categories' (ECHA, 2012), the reliability was changed from RL1 to RL2 to reflect the fact that this study was conducted on a read-across substance.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 987
- Report date:
- 1987
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 405 (Acute Eye Irritation / Corrosion)
- Deviations:
- no
- GLP compliance:
- yes
Test material
- Reference substance name:
- Fatty acids, coco, 2-ethylhexyl esters
- EC Number:
- 295-366-3
- EC Name:
- Fatty acids, coco, 2-ethylhexyl esters
- Cas Number:
- 92044-87-6
- IUPAC Name:
- 92044-87-6
- Details on test material:
- - Name of test material (as cited in study report): Only trade name given
- Physical state: liquid
- Analytical purity: approximately 100%
- Stability under test conditions: stable at storage conditions
- Storage condition of test material: at ambient temperature in the dark
Constituent 1
Test animals / tissue source
- Species:
- rabbit
- Strain:
- New Zealand White
- Details on test animals or tissues and environmental conditions:
- TEST ANIMALS
- Source: The Broekman Institute, Someren, The Netherlands
- Age at study initiation: 8 - 9 weeks
- Weight at study initiation: 2693 - 2894 g
- Housing: individually in plastic cages with perforated floors
- Diet: standard animal diet (100 g per day), obtained from Hope Farms, Woerden (LK-01, pellet diameter 4 mm)
- Water: tap-water, ad libitum
- Acclimation period: 7 days
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 20 - 21
- Humidity (%): 60 - 70
- Photoperiod (hrs dark / hrs light): 12 / 12
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 eye instillation
- Observation period (in vivo):
- 72 hours (in the absence of any persistent sign of irritation)
Reading time points: 1, 24, 48 and 72 hours after instillation - Number of animals or in vitro replicates:
- 3 females
- Details on study design:
- SCORING SYSTEM: Draize scoring system
TOOL USED TO ASSESS SCORE: fluorescein
Results and discussion
In vivo
Resultsopen allclose all
- Irritation parameter:
- cornea opacity score
- Basis:
- mean
- Remarks:
- out of all 3 animals
- Time point:
- other: mean over 24, 48 and 72 hours
- Score:
- 0
- Max. score:
- 4
- Reversibility:
- other: not applicable
- Irritation parameter:
- iris score
- Basis:
- mean
- Remarks:
- out of all 3 animals
- Time point:
- other: mean over 24, 48 and 72 hours
- Score:
- 0
- Max. score:
- 2
- Reversibility:
- other: not applicable
- Irritation parameter:
- conjunctivae score
- Basis:
- mean
- Remarks:
- out of all 3 animals
- Time point:
- other: mean over 24, 48 and 72 hours
- Score:
- 0
- Max. score:
- 3
- Reversibility:
- other: not applicable
- Irritation parameter:
- chemosis score
- Basis:
- mean
- Remarks:
- out of all 3 animals
- Time point:
- other: mean over 24, 48 and 72 hours
- Score:
- 0
- Max. score:
- 4
- Reversibility:
- other: not applicable
- Irritant / corrosive response data:
- 2 out of 3 animals showed only slight swelling of the blood-vessels in the conjunctivae 1 hour after instillation. The effects were fully reversible 24 hours after instillation. The fluorescein analysis 24 hours after instillation did not reveal any epithelial damage.
- Other effects:
- Signs of systemic intoxication were not observed.
Any other information on results incl. tables
Table 1: Results of eye irritation test
Rabbit No. / sex |
Scoring [h] |
Cornea |
Iris |
Conjunctiva |
|
Redness |
Chemosis |
||||
1 / f |
1 |
0 |
0 |
1 |
0 |
|
24 |
0 |
0 |
0 |
0 |
|
48 |
0 |
0 |
0 |
0 |
|
72 |
0 |
0 |
0 |
0 |
Mean (24, 48, 72 h) |
0 |
0 |
0 |
0 |
|
2 / f |
1 |
0 |
0 |
0 |
0 |
|
24 |
0 |
0 |
0 |
0 |
|
48 |
0 |
0 |
0 |
0 |
|
72 |
0 |
0 |
0 |
0 |
Mean (24, 48, 72 h) |
0 |
0 |
0 |
0 |
|
3 / f |
1 |
0 |
0 |
1 |
0 |
|
24 |
0 |
0 |
0 |
0 |
|
48 |
0 |
0 |
0 |
0 |
|
72 |
0 |
0 |
0 |
0 |
Mean (24, 48, 72 h) |
0 |
0 |
0 |
0 |
|
Group mean |
0 |
0 |
0 |
0 |
|
Applicant's summary and conclusion
- Interpretation of results:
- not irritating
- Remarks:
- Migrated information Criteria used for interpretation of results: EU
- Conclusions:
- CLP: not classified
DSD: not classified
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