Registration Dossier
Registration Dossier
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 226-641-8 | CAS number: 5444-75-7
Toxicological information
Eye irritation
Currently viewing:
Administrative data
- Endpoint:
- eye irritation: in vivo
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP-Guideline study.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 000
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:
- EPA OPPTS 870.2400 (Acute Eye Irritation)
- 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:
- 2-ethylhexyl benzoate
- EC Number:
- 226-641-8
- EC Name:
- 2-ethylhexyl benzoate
- Cas Number:
- 5444-75-7
- Molecular formula:
- C15H22O2
- IUPAC Name:
- 2-ethylhexyl benzoate
- Details on test material:
- - Name of test material (as cited in study report): 2-Ethylhexyl benzoate
- Physical state: clear colourless liquid
- Analytical purity: 99.734%
- Impurities (identity and concentrations): 2-Ethyl-4-methyl-1-pentyl benzoate 0.209%, C8 benzoate 0.023%, 2-Ethylhexyl phthalate 0.004%, unknown impurities 0.03%
- Lot/batch No.: 9915-133-2
- Sample ID: 9915-140-2
- Expiration date of the lot/batch: 2000-12-04
- Storage condition of test material: room temperature in light, in brown glass bottle
Constituent 1
Test animals / tissue source
- Species:
- rabbit
- Strain:
- New Zealand White
- Details on test animals or tissues and environmental conditions:
- TEST ANIMALS
- Source: Harlan UK Ltd., Bicester, Oxon, UK
- Age at study initiation: at least 12 weeks
- Weight at study initiation: 2.4-2.7 kg
- Housing: animals were housed individually in metal cages with perforated floors.
- Diet: standard laboratory rabbit diet (Special Diet Services STANRAB (P) SQC pellet), ad libitum
- Water: drinking water, ad libitum
- Acclimation period: at least 15 days
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 23-24.5
- Humidity (%): 20-34
- 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 application without washing
- Observation period (in vivo):
- 72 h
Reading time points: 1, 24, 48 and 72 h - Number of animals or in vitro replicates:
- 3 males
- Details on study design:
- SCORING SYSTEM: Draize scoring system
TOOL USED TO ASSESS SCORE: hand-slit lamp
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 h
- Score:
- 0
- Max. score:
- 4
- Reversibility:
- other: reversibility: not applicable
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- iris score
- Basis:
- mean
- Remarks:
- out of all 3 animals
- Time point:
- other: mean over 24, 48 and 72 h
- Score:
- 0
- Max. score:
- 2
- Reversibility:
- other: reversibility: not applicable
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- conjunctivae score
- Basis:
- animal #1
- Time point:
- other: mean over 24, 48 and 72 h
- Score:
- 0.33
- Max. score:
- 3
- Reversibility:
- fully reversible within: 2 days
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- conjunctivae score
- Basis:
- animal #2
- Time point:
- other: mean over 24, 48 and 72 h
- Score:
- 0
- Max. score:
- 3
- Reversibility:
- other: reversibility: not applicable
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- conjunctivae score
- Basis:
- animal #3
- Time point:
- other: mean over 24, 48 and 72 h
- Score:
- 0
- Max. score:
- 3
- Reversibility:
- other: reversibility: not applicable
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- chemosis score
- Basis:
- mean
- Remarks:
- out of all 3 animals
- Time point:
- other: mean over 24, 48 and 72 h
- Score:
- 0
- Max. score:
- 4
- Reversibility:
- other: reversibility: not applicable
- Remarks on result:
- no indication of irritation
- Irritant / corrosive response data:
- No effects on cornea and iris were observed during the study period in all animals.
Slight conjunctival redness was observed in all animals 1 h after instillation. In 1/3 animals the redness was still apparent at the 24 h reading and was fully reversible within 48 h.
No chemosis was observed during the study period in all animals. - Other effects:
- No further local or systemic effects were reported.
Applicant's summary and conclusion
- Interpretation of results:
- GHS criteria not met
- Conclusions:
- CLP: not classified
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
