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Diss Factsheets

Toxicological information

Eye irritation

Currently viewing:

Administrative data

Endpoint:
eye irritation: in vivo
Type of information:
migrated information: read-across based on grouping of substances (category approach)
Adequacy of study:
weight of evidence
Study period:
31 Jan - 07 Feb 2002
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: GLP-guideline study with acceptable restrictions (no data on analytical purity; no eye washing performed after treatment)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2002
Report date:
2002

Materials and methods

Test guidelineopen allclose all
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 405 (Acute Eye Irritation / Corrosion)
Version / remarks:
adopted in 1987
Deviations:
yes
Remarks:
no data on analytical purity; no eye washing performed after treatment
Qualifier:
equivalent or similar to guideline
Guideline:
EU Method B.5 (Acute Toxicity: Eye Irritation / Corrosion)
Version / remarks:
adopted in 1992
Deviations:
yes
Remarks:
no data on analytical purity; no eye washing performed after treatment
GLP compliance:
yes
Remarks:
Department of health of the government of the United Kingdom, UK

Test material

Constituent 1
Reference substance name:
Fatty acids, C16-18 and C18-unsatd., branched and linear, esters with trimethylolpropane
Cas Number:
403507-18-6
Molecular formula:
not applicable, substance is a UVCB
IUPAC Name:
Fatty acids, C16-18 and C18-unsatd., branched and linear, esters with trimethylolpropane
Details on test material:
- Name of test material (as cited in study report): only trade name given
- Physical state: dark amber slightly viscous liquid
- Analytical purity: no data
- Storage condition of test material: room temperature in the dark

Test animals / tissue source

Species:
rabbit
Strain:
New Zealand White
Details on test animals or tissues and environmental conditions:
TEST ANIMALS
- Source: David Percival Ltd, Moston, Sandbach, Chesire, UK
- Age at study initiation: 12 to 16 weeks
- Weight at study initiation: 2.0-3.5 kg
- Housing: individually housed in suspended metal cages.
- Diet: certified Rabbit Diet (PMI Nutrition International, Nottingham, UK), ad libitum
- Water: ad libitum
- Acclimation period: 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: 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):
3 days
Reading time points: 1, 24, 48 and 72 h
Number of animals or in vitro replicates:
1 female and 2 males
Details on study design:
SCORING SYSTEM: Draize scoring system

TOOL USED TO ASSESS SCORE: light source from a standard ophthalmoscope

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
cornea opacity score
Basis:
mean
Remarks:
out of all 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:
out of all 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
Max. score:
3
Reversibility:
other: reversibility: not applicable
Irritation parameter:
conjunctivae score
Basis:
animal #3
Time point:
24/48/72 h
Score:
0.33
Max. score:
3
Reversibility:
fully reversible within: 48 h
Irritation parameter:
chemosis score
Basis:
mean
Remarks:
out of all 3 animals
Time point:
24/48/72 h
Score:
0
Max. score:
4
Reversibility:
other: reversibility: not applicable
Irritant / corrosive response data:
No corneal or iris effects occurred during the study.

Moderate conjuctival irritation was observed in all treated eyes (3/3) one hour after treatment.
Minimal conjuctival irritation was noted in two treated eyes (2/3) at 24 h observation time.



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