Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
eye irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1984
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: ALP compliant OECD Guideline Study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1984
Report date:
1984

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 405 (Acute Eye Irritation / Corrosion)
Version / remarks:
adopted May 12, 1981
GLP compliance:
yes
Remarks:
Experimental Toxicology, CIBA-GEIGY Ltd., Basle, Switzerland

Test material

Constituent 1
Chemical structure
Reference substance name:
-
EC Number:
400-820-2
EC Name:
-
Cas Number:
84268-33-7
Molecular formula:
C20 H23 N3 O3
IUPAC Name:
methyl 3-[3-(2H-1,2,3-benzotriazol-2-yl)-5-tert-butyl-4-hydroxyphenyl]propanoate
Details on test material:
- Physical state: solid
- Analytical purity: purified
- Lot/batch No.: Z 288/1U

Test animals / tissue source

Species:
rabbit
Strain:
New Zealand White
Details on test animals or tissues and environmental conditions:
TEST ANIMALS
- Source: Kleintierfarm Maedorin AG, CH-4414 Fuellinsdorf
- Age at study initiation: approx. 12-14 weeks old
- Weight at study initiation: between 2 to 3 kg
- Housing: individually
- Diet (e.g. ad libitum): ad libitum
- Water (e.g. ad libitum): ad libitum
- Acclimation period: 5 days

ENVIRONMENTAL CONDITIONS
- Temperature (°C): 20±3
- Humidity (%): 30 - 70
- Photoperiod (hrs dark / hrs light): 12/12

Test system

Vehicle:
unchanged (no vehicle)
Controls:
yes, concurrent no treatment
Amount / concentration applied:
TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 0.1 g
- Concentration (if solution): unchanged

Duration of treatment / exposure:
single exposure not washed out
Observation period (in vivo):
1, 24, 48, 72 hours
Number of animals or in vitro replicates:
3 females
Details on study design:
REMOVAL OF TEST SUBSTANCE
- Washing (if done): no

SCORING SYSTEM: OECD 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
Time point:
other: 24, 48, 72 hours
Score:
0
Max. score:
4
Reversibility:
other: not applicable
Irritation parameter:
iris score
Basis:
mean
Time point:
other: 24, 48, 72 hours
Score:
0
Max. score:
2
Reversibility:
other: not applicable
Irritation parameter:
conjunctivae score
Basis:
mean
Time point:
other: 24, 48, 72 hours
Score:
0.1
Max. score:
3
Reversibility:
fully reversible within: 48 hours
Irritation parameter:
chemosis score
Basis:
mean
Time point:
other: 24, 48, 72 hours
Score:
0
Max. score:
4
Reversibility:
other: not applicable

Any other information on results incl. tables

Because no reactions were observed at 72 hours after instillation of the substance, the test was ended after the 72 hours evaluation.

Applicant's summary and conclusion

Interpretation of results:
not irritating
Remarks:
Migrated information