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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Study meets scientific standards with acceptable restrictions

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1969
Report date:
1969

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 405 (Acute Eye Irritation / Corrosion)
Deviations:
yes
Remarks:
50 µl applied, instead of 100 µl
Principles of method if other than guideline:
Eye irritation was tested using an internal method (BASF-test)
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2-ethylhex-2-enal
EC Number:
211-448-3
EC Name:
2-ethylhex-2-enal
Cas Number:
645-62-5
Molecular formula:
C8H14O
IUPAC Name:
2-ethylhex-2-enal
Details on test material:
- Name of test material (as cited in study report): 2-Ethyl-hexen-2-al-1
- Physical state: liquid
- Analytical purity: ca 97 %

Test animals / tissue source

Species:
rabbit
Strain:
Vienna White

Test system

Vehicle:
unchanged (no vehicle)
Controls:
other: one drop of NaCl into the other eye
Amount / concentration applied:
ca 0.05 ml
Duration of treatment / exposure:
Treatment was once
Observation period (in vivo):
8 days
Number of animals or in vitro replicates:
2

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
cornea opacity score
Basis:
mean
Time point:
other: 24-72 h
Score:
0
Max. score:
2
Irritation parameter:
iris score
Basis:
mean
Time point:
other: 24-72 h
Score:
2
Max. score:
2
Irritation parameter:
conjunctivae score
Basis:
mean
Time point:
other: 24-72 h
Score:
1
Max. score:
4
Reversibility:
fully reversible
Irritation parameter:
chemosis score
Basis:
mean
Time point:
other: 24-72 h
Score:
0
Max. score:
4

Any other information on results incl. tables

Descriptive scores of the raw data have been converted to Draize numerical scores.

Animal

Reading

Opacity

Iritis

Redness

Chemosis

Comment

1

1 h

0

0

2

1

 

2

1 h

0

0

2

1

 

1

24 h

0

0

1

0

 

2

24 h

0

0

1

0

 

1

48 h

0

0

1

0

 

2

48 h

0

0

1

0

 

1

72 h

0

0

1

0

 

2

72 h

0

0

1

0

 

1

8 d

0

0

0

0

 

2

8 d

0

0

0

0

 

mean

24 - 72 h

0

0

1.0

0

 

 

Applicant's summary and conclusion