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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Acute Toxicity: oral

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Administrative data

Endpoint:
acute toxicity: oral
Type of information:
experimental study
Adequacy of study:
weight of evidence
Study period:
1959
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
documentation insufficient for assessment

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1959
Report date:
1959

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
No information on a guideline was reported, but assumed to be standard acute method.
GLP compliance:
no
Test type:
standard acute method
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
4-methylcyclohexanone
EC Number:
209-665-3
EC Name:
4-methylcyclohexanone
Cas Number:
589-92-4
Molecular formula:
C7H12O
IUPAC Name:
4-methylcyclohexan-1-one
Test material form:
liquid
Specific details on test material used for the study:
STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
Not reported.

TREATMENT OF TEST MATERIAL PRIOR TO TESTING
Not reported.

- Test material: undiluted

Test animals

Species:
rat
Strain:
not specified
Sex:
not specified
Details on test animals or test system and environmental conditions:
TEST ANIMALS
Not reported.

ENVIRONMENTAL CONDITIONS
Not reported.

Administration / exposure

Route of administration:
oral: unspecified
Vehicle:
not specified
Details on oral exposure:
VEHICLE:
Not reported.

MAXIMUM DOSE VOLUME APPLIED:
Not reported.
Doses:
50, 400 and 3200 mg/kg
No. of animals per sex per dose:
3 rats reported (assumed to be total, with one per dose)
Control animals:
not specified
Details on study design:
Not reported.

Results and discussion

Effect levels
Key result
Sex:
not specified
Dose descriptor:
LD50
Effect level:
>= 400 - <= 3 200 mg/kg bw
Based on:
test mat.
Mortality:
time to death: 1 hour
Clinical signs:
other: Symptoms slight to very weak.
Gross pathology:
Not reported.

Applicant's summary and conclusion

Interpretation of results:
Category 4 based on GHS criteria
Conclusions:
The reported LD50 was 400 to 3200 mg/kg for rats.
Executive summary:

Undiluted test substance was applied orally to rats at doses of 50, 400 and 3200 mg/kg. The resulting LD50 is 400 to 3200 mg/kg.

There were only slight to very weak symptoms observed. Time until death was 1 hour.