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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Basic data given (no data on test substance purity, 9 animals were treated, individual irritation and chemosis data were not given, observation period of 7 days).

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1965
Report date:
1965

Materials and methods

Test guidelineopen allclose all
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 405 (Acute Eye Irritation / Corrosion)
Deviations:
yes
Remarks:
(9 animals were treated, individual irritation and chemosis data were not given, observation period of 7 days)
Qualifier:
according to guideline
Guideline:
other: Appraisal of the Safety of Chemicals in Food, Drugs and Cosmetics (Association of Food and Drug Officials, U.S., p.49, 1959)
Qualifier:
according to guideline
Guideline:
other: 21 CFR Part 191
GLP compliance:
no

Test material

Constituent 1
Reference substance name:
Sorbitan monooleate, ethoxylated
EC Number:
500-019-9
EC Name:
Sorbitan monooleate, ethoxylated
Cas Number:
9005-65-6
Molecular formula:
Not applicable as UVCB
IUPAC Name:
Sorbitan, C18-unsat, fatty acid esters, ethoxylated (1 - 6.5 moles ethoxylated)
Constituent 2
Reference substance name:
Tween 81
IUPAC Name:
Tween 81
Details on test material:
- Name of test material (as cited in study report): Tween 81
- Analytical purity: no data
- Lot/batch No.: 417

Test animals / tissue source

Species:
rabbit
Strain:
New Zealand White
Details on test animals or tissues and environmental conditions:
TEST ANIMALS
- Weight at study initiation: 1.2-2.2 kg (males and females)

Test system

Vehicle:
other: USP light mineral oil (Marcol 70 Humble)
Controls:
other: the untreated eyes served as control
Amount / concentration applied:
TEST MATERIAL
- Amount applied: 0.1 mL
- Concentration: 10%
Duration of treatment / exposure:
single application without washing (6 animals) or with washing after 2 sec (3 animals)
Observation period (in vivo):
7 days
Reading time points: 1, 24, 48, 72 h and 7 days
Number of animals or in vitro replicates:
9 (4 females and 5 males)
Details on study design:
REMOVAL OF TEST SUBSTANCE
- Washing: the treated eyes of 3/9 animals were each washed after treatment.
- Time after start of exposure: 2 sec

SCORING SYSTEM: Draize scoring system

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
cornea opacity score
Basis:
mean
Remarks:
of 6 animals (unwashed)
Time point:
other: mean after of 24/48/72 h
Score:
0
Max. score:
4
Reversibility:
other: reversibility: not applicable
Irritation parameter:
iris score
Basis:
mean
Remarks:
of all 6 animals (unwashed)
Time point:
other: mean after of 24/48/72 h
Score:
0
Max. score:
2
Reversibility:
other: reversibility: not applicable
Irritation parameter:
conjunctivae score
Basis:
mean
Remarks:
of all 6 animals (unwashed)
Time point:
other: mean after of 24/48/72 h
Score:
0
Max. score:
3
Reversibility:
other: reversibility: not applicable
Remarks on result:
other: 1 h reading time point: conjunctival redness (score 2) in 3/6 animals with unwashed eyes (fully reversible within 24 h)
Irritant / corrosive response data:
After treatment with a 10% dilution of the test substance, the only signs of irritation observed were conjunctival redness (score 2) at the 1 h reading time point in 3/6 animals with unwashed eyes. This erythema was fully reversible in all affected animals at the 24 h reading time point.
Other effects:
no data

Applicant's summary and conclusion

Interpretation of results:
not irritating
Remarks:
Migrated information at 10% dilution Criteria used for interpretation of results: EU