Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Acute Toxicity: oral

Currently viewing:

Administrative data

Endpoint:
acute toxicity: oral
Type of information:
experimental study
Adequacy of study:
weight of evidence
Study period:
June 1971
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: 2 page summary available, but study not done to guideline and not GLP.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Report date:
1971

Materials and methods

Test guideline
Qualifier:
no guideline available
Principles of method if other than guideline:
The limits of confidence were determined by the method of Litchfield and Wilcoxon.
GLP compliance:
not specified
Test type:
fixed dose procedure
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
3-methyl-2-pent-2-enylcyclopent-2-enone
EC Number:
207-668-4
EC Name:
3-methyl-2-pent-2-enylcyclopent-2-enone
Cas Number:
488-10-8
Molecular formula:
C11H16O
IUPAC Name:
3-methyl-2-pent-2-enylcyclopent-2-enone
impurity 1
Chemical structure
Reference substance name:
(E)-3-methyl-2-(pent-2-enyl)cyclopent-2-en-1-one
EC Number:
228-410-7
EC Name:
(E)-3-methyl-2-(pent-2-enyl)cyclopent-2-en-1-one
Cas Number:
6261-18-3
Molecular formula:
C11H16O
IUPAC Name:
3-methyl-2-pent-2-en-1-ylcyclopent-2-en-1-one
Test material form:
liquid

Test animals

Species:
rat
Strain:
Wistar
Sex:
male/female

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
unchanged (no vehicle)
Doses:
3500 mg/kg, 4000 mg/kg, 4500 mg/kg
No. of animals per sex per dose:
3500 mg/kg = 9
4000 mg/kg = 9
4500 mg/kg = 10
Control animals:
not specified

Results and discussion

Effect levels
Key result
Sex:
male/female
Dose descriptor:
LD50
Effect level:
4 300 mg/kg bw
Based on:
test mat.

Applicant's summary and conclusion

Interpretation of results:
sligthly toxic
Remarks:
Migrated information Criteria used for interpretation of results: EU
Executive summary:

LD50 = 4300 mg/kg