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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: A study summary was made available by ECHA under Article 25, Para 3, of EC Regulation 1907/2006.

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
1988

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: EC Annex V
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
1-(2,6-bis(4-tolyl)-1,3-dioxano(5,4-d)-1,3-dioxan-4-yl)ethane-1,2-diol
EC Number:
402-950-5
EC Name:
1-(2,6-bis(4-tolyl)-1,3-dioxano(5,4-d)-1,3-dioxan-4-yl)ethane-1,2-diol
Cas Number:
87826-41-3
Molecular formula:
C22H26O6
IUPAC Name:
(1R)-1-[(4R,4aR,8aS)-2,6-bis(4-methylphenyl)-hexahydro-[1,3]dioxino[5,4-d][1,3]dioxin-4-yl]ethane-1,2-diol
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder

Test animals / tissue source

Species:
rabbit

Test system

Amount / concentration applied:
ca. 30 mg (0.1 ml powder)
Duration of treatment / exposure:
4 hours
Observation period (in vivo):
72 hours
Number of animals or in vitro replicates:
3

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
conjunctivae score
Basis:
animal #1
Time point:
other: 24,48 and 72 hours
Score:
0
Irritation parameter:
conjunctivae score
Basis:
animal #2
Time point:
other: 24,48 and 72 hours
Score:
0
Irritation parameter:
conjunctivae score
Basis:
animal #3
Time point:
other: 24,48 and 72 hours
Score:
0
Irritation parameter:
chemosis score
Basis:
animal #1
Time point:
other: 24,48 and 72 hours
Score:
0
Irritation parameter:
chemosis score
Basis:
animal #2
Time point:
other: 24,48 and 72 hours
Score:
0
Irritation parameter:
chemosis score
Basis:
animal #3
Time point:
other: 24,48 and 72 hours
Score:
0
Irritation parameter:
cornea opacity score
Basis:
animal #1
Time point:
other: 24,48 and 72 hours
Score:
0
Irritation parameter:
cornea opacity score
Basis:
animal #2
Time point:
other: 24,48 and 72 hours
Score:
0.3
Reversibility:
not specified
Irritation parameter:
cornea opacity score
Basis:
animal #3
Time point:
other: 24,48 and 72 hours
Score:
0.3
Reversibility:
not specified
Irritation parameter:
iris score
Basis:
animal #1
Time point:
other: 24,48 and 72 hours
Score:
0
Irritation parameter:
iris score
Basis:
animal #2
Time point:
other: 24,48 and 72 hours
Score:
0
Irritation parameter:
iris score
Basis:
animal #3
Time point:
other: 24,48 and 72 hours
Score:
0
Other effects:
Transient slight or moderate conjunctival redness was observed amongst the three animals at the 1 hour post dose observation.

Applicant's summary and conclusion

Interpretation of results:
not irritating
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
The substance is not irritant to rabbit eyes.