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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1979
Report date:
1979

Materials and methods

Principles of method if other than guideline:
2 animals, dose 50 mg/animal into the conjunctival sac, post exposure period 7 days.
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Propylidynetrimethanol
EC Number:
201-074-9
EC Name:
Propylidynetrimethanol
Cas Number:
77-99-6
Molecular formula:
C6H14O3
IUPAC Name:
2-ethyl-2-(hydroxymethyl)propane-1,3-diol
Details on test material:
No data

Test animals / tissue source

Species:
rabbit
Strain:
New Zealand White
Details on test animals or tissues and environmental conditions:
no data

Test system

Vehicle:
unchanged (no vehicle)
Controls:
other: the other eye of each of the 2 rabbits
Amount / concentration applied:
amount: 50 mg
Duration of treatment / exposure:
7 days
Observation period (in vivo):
7 days
Number of animals or in vitro replicates:
2
Details on study design:
no data

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
overall irritation score
Basis:
mean
Time point:
other: 0 h
Score:
>= 0 - 1
Reversibility:
fully reversible within: 24 h
Irritation parameter:
overall irritation score
Basis:
mean
Time point:
other: 1, 2 and 7 d
Score:
0
Reversibility:
other: score = 0 at any time point
Other effects:
no data

Any other information on results incl. tables

No data

Applicant's summary and conclusion

Interpretation of results:
not irritating
Remarks:
Migrated information
Executive summary:

A dose of 50 mg/animal was applied into the conjunctival sac of one eye of each of 2 rabbits, postexposure observation period 7 days. Trimethylolpropane is not irritating (Bayer AG 1979).