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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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: National Guideline study with acceptable restrictions.
Cross-reference
Reason / purpose for cross-reference:
reference to same study

Data source

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

Materials and methods

Principles of method if other than guideline:
The procedure recommended in Section 191.12 of the Federal Hazardous Substances Labeling act was used.
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Isooctyl 3-mercaptopropionate
EC Number:
250-157-6
EC Name:
Isooctyl 3-mercaptopropionate
Cas Number:
30374-01-7
Molecular formula:
C11H22O2S
IUPAC Name:
2-methylheptyl 3-sulfanylpropanoate
Details on test material:
- Name of test material (as cited in study report): Iso-octyl 3-mercaptopropionate
- Analytical purity: no data
- Other: sample number: bl 1409

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:
not required
Amount / concentration applied:
TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 0.1 mL


Duration of treatment / exposure:
observation period up to 7 days
Observation period (in vivo):
1, 2, 3, 4 and 7 day(s)
Number of animals or in vitro replicates:
6
Details on study design:
REMOVAL OF TEST SUBSTANCE
- The eyes were not irrigated following instillation of the sample.


TOOL USED TO ASSESS SCORE: observations were made with the unaided eye as well as facilitated by magnification and ophthalmic fluorescin.

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
overall irritation score
Basis:
mean
Time point:
other: 1 day
Score:
0.4
Irritation parameter:
overall irritation score
Basis:
mean
Time point:
other: 2 days
Score:
0.4
Irritation parameter:
overall irritation score
Basis:
mean
Time point:
other: 3 days
Score:
0.4
Reversibility:
fully reversible within: 4 days
Irritation parameter:
cornea opacity score
Basis:
mean
Time point:
24/48/72 h
Score:
0
Max. score:
4
Irritation parameter:
iris score
Basis:
mean
Time point:
24/48/72 h
Score:
0
Max. score:
2
Irritation parameter:
conjunctivae score
Basis:
mean
Time point:
24/48/72 h
Score:
0.2
Max. score:
3
Reversibility:
fully reversible within: 4 days
Irritation parameter:
chemosis score
Basis:
mean
Time point:
24/48/72 h
Score:
0
Max. score:
4
Reversibility:
other: no effects
Irritant / corrosive response data:
The material tested produced a very mild transient conjunctival irritation in one of six rabbits tested. No corneal or iridal damage was seen at any observation time.

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
The material tested produced a very mild transient conjunctival irritation in one of six rabbits tested. No corneal or iridal damage was seen at any observation time.