Registration Dossier
Registration Dossier
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EC number: 203-051-9 | CAS number: 102-76-1
Eye irritation
Administrative data
- Endpoint:
- eye irritation: in vivo
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 4 Mar - 11 Mar 1988
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: GLP - Guideline study with acceptable restrictions. Lack of details on test substance.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 988
- Report date:
- 1988
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 405 (Acute Eye Irritation / Corrosion)
- Deviations:
- yes
- Remarks:
- lack of details on test substance
- GLP compliance:
- yes
Test material
- Reference substance name:
- Triacetin
- EC Number:
- 203-051-9
- EC Name:
- Triacetin
- Cas Number:
- 102-76-1
- Molecular formula:
- C9H14O6
- IUPAC Name:
- 1,3-bis(acetyloxy)propan-2-yl acetate
- Details on test material:
- - Name of test material (as cited in study report): triacetin
- Physical state: clear, colourless liquid
- Analytical purity: no data
Constituent 1
Test animals / tissue source
- Species:
- rabbit
- Strain:
- other: Kleinrusse, Chbb : HM
- Details on test animals or tissues and environmental conditions:
- TEST ANIMALS
- Source: Thomae, Biberach, Germany
- Age at study initiation: adult
- Weight at study initiation: 2537.5 g
- Housing: animals were housed individually
- Diet: Altromin-Haltungsdiät 2023 (Altromin GmbH, Lage, Germany), ad libitum
- Water: tap water, ad libitum
- Acclimation period: at least 1 week
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 20-21
- Humidity (%): 45-55
- 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: 0.1 mL - Duration of treatment / exposure:
- single application without washing
- Observation period (in vivo):
- 3 days
Reading time points: 1, 6, 24, 48 and 72 h - Number of animals or in vitro replicates:
- 4
- Details on study design:
- SCORING SYSTEM: Draize scoring system
TOOL USED TO ASSESS SCORE: fluorescein (0.5% aqueous solution)
Results and discussion
In vivo
Resultsopen allclose all
- Irritation parameter:
- cornea opacity score
- Basis:
- mean
- Remarks:
- out of all 4 animals
- Time point:
- other: mean over 24, 48 and 72 h
- Score:
- 0
- Max. score:
- 4
- Reversibility:
- other: reversibility: not applicable
- Irritation parameter:
- iris score
- Basis:
- mean
- Remarks:
- out of all 4 animals
- Time point:
- other: mean over 24, 48 and 72 h
- Score:
- 0
- Max. score:
- 2
- Reversibility:
- other: reversibilty: not applicable
- Irritation parameter:
- conjunctivae score
- Basis:
- mean
- Remarks:
- out of all 4 animals
- Time point:
- other: mean over 24, 48 and 72 h
- Score:
- 0
- Max. score:
- 3
- Reversibility:
- other: reversibility: not applicable
- Irritation parameter:
- chemosis score
- Basis:
- mean
- Remarks:
- out of all 4 animals
- Time point:
- other: mean over 24, 48 and 72 h
- Score:
- 0
- Max. score:
- 4
- Reversibility:
- other: reversibility: not applicable
- Irritant / corrosive response data:
- Only 1/4 animals showed slight redness of conjunctivae at 1 and 6 h after application which were fully reversible within 24 h. In 3/4 animals exsudation was observed at the 1 h reading time point. No other ocular effects were observed at any timepoint in any tested animal.
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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