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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Skin irritation / corrosion

Currently viewing:

Administrative data

Endpoint:
skin irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1969/1970
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1969
Report date:
1970

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
Method: BASF test
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Triphenyl phosphite
EC Number:
202-908-4
EC Name:
Triphenyl phosphite
Cas Number:
101-02-0
Molecular formula:
C18H15O3P
IUPAC Name:
triphenyl phosphite

Test animals

Species:
rabbit
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Weight at study initiation: 2.72 and 2.25 kg

Test system

Type of coverage:
not specified
Preparation of test site:
shaved
Vehicle:
unchanged (no vehicle)
Duration of treatment / exposure:
15 minutes and 20 hours
Observation period:
8 days
Number of animals:
2
Details on study design:
TEST SITE
- Area of exposure: back and ear

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
erythema score
Basis:
mean
Remarks:
of two animals
Time point:
24/48/72 h
Score:
3.2
Max. score:
4
Reversibility:
not fully reversible within: 8 days
Remarks on result:
other: 20h treatment
Irritation parameter:
edema score
Basis:
mean
Remarks:
of two animals
Time point:
24/48/72 h
Score:
3.5
Max. score:
4
Reversibility:
not fully reversible within: 8 days
Remarks on result:
other: 20 h treatment
Irritation parameter:
erythema score
Basis:
mean
Remarks:
of two animals
Time point:
24 h
Score:
3
Max. score:
4
Reversibility:
not fully reversible within: 8 days
Remarks on result:
other: 15 minute treatment
Irritant / corrosive response data:
Necroses were observed after 20h treatment

Applicant's summary and conclusion

Interpretation of results:
Category 2 (irritant) based on GHS criteria
Conclusions:
Based on the findings of this study the test substance shows a clear skin irritation potential in rabbits after exposure to the test substance for 15 minutes or 20 hours and thus has to be classified as skin irritating (category 2) according to EU criteria and according to the OECD Globally Harmonized System.