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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
guideline study without detailed documentation

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
1996

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method B.5 (Acute Toxicity: Eye Irritation / Corrosion)
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
N-methyl-4-(p-formylstyryl)pyridinium methylsulfate
EC Number:
418-240-3
EC Name:
N-methyl-4-(p-formylstyryl)pyridinium methylsulfate
Cas Number:
74401-04-0
Molecular formula:
C16H17NO5S
IUPAC Name:
4-[2-(4-formylphenyl)ethenyl]-1-methylpyridin-1-ium methyl sulfate
Test material form:
solid: particulate/powder

Test animals / tissue source

Species:
rabbit
Strain:
New Zealand White

Test system

Amount / concentration applied:
61 mg
Number of animals or in vitro replicates:
3

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
conjunctivae score
Basis:
animal: #1, #2, #3
Time point:
24/48/72 h
Score:
0
Max. score:
3
Irritation parameter:
chemosis score
Basis:
animal: #1, #2, #3
Time point:
24/48/72 h
Score:
0
Max. score:
4
Irritation parameter:
cornea opacity score
Basis:
animal: #1, #2, #3
Time point:
24/48/72 h
Score:
0
Max. score:
4
Irritation parameter:
iris score
Basis:
animal: #1, #2, #3
Time point:
24/48/72 h
Score:
0
Max. score:
2

Applicant's summary and conclusion

Interpretation of results:
other: The test substance is not classified as eye irritant or eye corrosive according to the CLP Regulation EC No. 1272/2008.
Conclusions:
Non eye irritant
Executive summary:

The eye irritation/corrosion potential of the test substance was evaluated in vivo in New Zealand White rabbits in acute eye irritation/corrosion test according to the EU Method B.5 (92/69/EEC) and in compliance with GLP. All the three animals did not show any sign of cornea opacity, iris damage, conjunctivae redness and chemosis.

The substance should not be considered as an eye irritant or an eye corrosive