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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Toxicological information

Eye irritation

Currently viewing:

Administrative data

Endpoint:
eye irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Study period:
22 Dec 2011- 07 Jan 2012
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2012
Report date:
2012

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 (incl. QA statement)
Remarks:
The department of health of the government of the United Kingdom

Test material

Constituent 1
Reference substance name:
Fatty acids, C18-unsatd., dimers, mixed esters with oleic acid and trimethylolpropane
EC Number:
604-580-1
Cas Number:
147256-33-5
Molecular formula:
unspecified
IUPAC Name:
Fatty acids, C18-unsatd., dimers, mixed esters with oleic acid and trimethylolpropane

Test animals / tissue source

Species:
rabbit
Strain:
New Zealand White
Details on test animals or tissues and environmental conditions:
TEST ANIMALS
- Strain (as specified by author): Hsdlf:NZW
- Source: Harlan Laboratories UK Ltd., Leicestershire, UK
- Age at study initiation: 12-20 weeks
- Weight at study initiation: 2.40-2.84 kg
- Housing: individually in suspended cages with environmental enrichment items
- Diet: ad libitum, 2930 Teklad Global Rabbit diet (Harlan Laboratories Ltd., Oxon, UK)
- Water: ad libitum, mains drinking water
- Acclimatisation: at least 5 days


ENVIRONMENTAL CONDITIONS
- Temperature (°C): 17-23
- Humidity (%): 30-70
- Air changes (per hr): at least 15
- Photoperiod (hrs dark / hrs light): 12/12

Test system

Vehicle:
unchanged (no vehicle)
Controls:
other: left 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:
REMOVAL OF TEST SUBSTANCE
- Washing (if done): Yes, eye was rinsed with water
- Time after start of exposure: 24 h


SCORING SYSTEM: Draize scoring system


TOOL USED TO ASSESS SCORE: standard opthalmoscope

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
cornea opacity score
Basis:
mean
Remarks:
out of all three 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 three animals
Time point:
other: mean over 24, 48 and 72 h
Score:
0
Max. score:
2
Reversibility:
other: reversibility: not applicable
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: 48 h
Irritation parameter:
conjunctivae score
Basis:
animal #2
Time point:
other: mean over 24, 48 and 72 h
Score:
0.33
Max. score:
3
Reversibility:
fully reversible within: 48 h
Irritation parameter:
conjunctivae score
Basis:
animal #3
Time point:
other: mean over 24, 48 and 72 h
Score:
0.33
Max. score:
3
Reversibility:
fully reversible within: 48 h
Irritation parameter:
chemosis score
Basis:
mean
Remarks:
out of all three 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:
No corneal or iridial effects were noted during the study. Minimal conjunctival irritation (grade 1) was noted in all treated eyes 1 and 24 h after test substance instillation. Effects were fully reversible within 48 h.
Other effects:
All animals showed expected gain in bodyweight during the study.

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