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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Endpoint:
skin irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Study period:
September 1980
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1977

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Open Epicutaneous Test
Version / remarks:
Testing method only, no guideline available.
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Methyl oct-2-ynoate
EC Number:
203-836-6
EC Name:
Methyl oct-2-ynoate
Cas Number:
111-12-6
Molecular formula:
C9H14O2
IUPAC Name:
methyl oct-2-ynoate
Test material form:
liquid

Test animals

Species:
guinea pig
Strain:
not specified

Test system

Type of coverage:
open
Preparation of test site:
clipped
Vehicle:
unchanged (no vehicle)
Amount / concentration applied:
Undiluted and then in concentrations of 30, 10 3 and 1% or lower in ethanol, acetone, water, vaseline, PEG and /or other suitable vehicles
Duration of treatment / exposure:
During of study: 21 days
Applications of test materials were repeated daily for 3 weeks or done 5-times weekly during 4 weeks.
Observation period:
24 hours after each aplication or at the end of each week.
Number of animals:
6-8 guinea pigs per concentration group.

Results and discussion

In vivo

Results
Irritation parameter:
erythema score
Basis:
mean
Time point:
24 h
Reversibility:
not specified
Remarks on result:
other: Slight irritation observed
Remarks:
A "slight" response was observed at 100% after 7 days.

Any other information on results incl. tables

Single application of 3% alcoholic solution of FOLIONE is well tolerated, when applied repeatedly very slight skin irritation occurs in the third week of treatment.

Applicant's summary and conclusion

Interpretation of results:
Category 3 (mild irritant) based on GHS criteria
Executive summary:

Folione is considered to be a mild skin irritant and is classified under the GHS criteria as SCI3.