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Toxicological information

Eye irritation

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Administrative data

Endpoint:
eye irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1975
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Well documented study using standard protocols.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1975
Report date:
1975

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
EPA OPP 81-4 (Acute Eye Irritation)
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Phosphorous acid, diphenyl isodecyl ester
Molecular formula:
C22H31O3P
IUPAC Name:
Phosphorous acid, diphenyl isodecyl ester
Constituent 2
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
Constituent 3
Chemical structure
Reference substance name:
Diisodecyl phenyl phosphite
EC Number:
247-098-3
EC Name:
Diisodecyl phenyl phosphite
Cas Number:
25550-98-5
Molecular formula:
C26H47O3P
IUPAC Name:
Reaction products of triphenyl phosphite and isodecanol (1:2)
Constituent 4
Reference substance name:
Grouped, low level constituents (1) - see description
Molecular formula:
C21H29O3P and C23H33O3P
IUPAC Name:
Grouped, low level constituents (1) - see description
Constituent 5
Reference substance name:
Grouped, low level constituents (2) - see description
Molecular formula:
N/A
IUPAC Name:
Grouped, low level constituents (2) - see description
Constituent 6
Chemical structure
Reference substance name:
Triisodecyl phosphite
EC Number:
246-998-3
EC Name:
Triisodecyl phosphite
Cas Number:
25448-25-3
Molecular formula:
C30H63O3P
IUPAC Name:
Phosphorus acid, triisodecyl ester
Constituent 7
Reference substance name:
Grouped, low level constituents (3) - see description
Molecular formula:
N/A
IUPAC Name:
Grouped, low level constituents (3) - see description
Test material form:
liquid

Test animals / tissue source

Species:
rabbit
Strain:
New Zealand White

Test system

Vehicle:
unchanged (no vehicle)
Controls:
other: right eye served as control for each rabbit
Amount / concentration applied:
0.1 gram applied in left eye of each rabbit
Duration of treatment / exposure:
4 days
Observation period (in vivo):
4 days
Number of animals or in vitro replicates:
6 rabbits

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
cornea opacity score
Basis:
mean
Time point:
other: 1-4 days
Remarks on result:
other: no responses
Irritation parameter:
iris score
Basis:
mean
Time point:
other: 1-4 days
Remarks on result:
other: no responses
Irritation parameter:
conjunctivae score
Basis:
mean
Time point:
other: 1-4 days
Remarks on result:
other: Slight redness in test eye
Irritant / corrosive response data:
Slight redness in the eyes of most rabbits.

Applicant's summary and conclusion

Interpretation of results:
slightly irritating
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
Only slight redness was observed in test eyes, no iris or corneal effects.
Executive summary:

Slightly irritating to eyes, no significant effects on the iris or cornea. DPDP is not classified as an eye irritant based on these results.