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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study performed according to EG B.1 Teil B / OECD 401

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
1995
Report date:
1995

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: EG B.1 Teil B / OECD 401
GLP compliance:
yes
Test type:
standard acute method
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
4-(1-oxo-2-propenyl)-morpholine
EC Number:
418-140-1
EC Name:
4-(1-oxo-2-propenyl)-morpholine
Cas Number:
5117-12-4
Molecular formula:
C7H11NO2
IUPAC Name:
1-(morpholin-4-yl)prop-2-en-1-one

Test animals

Species:
other: rat, Sprague-Dawley.

Administration / exposure

Vehicle:
other: none

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
588 mg/kg bw
95% CL:
524 - 701
Remarks on result:
other: Slope of the mortality curve: 11.3
Mortality:
Male: 400 mg/kg bw; Number of animals: 5; Number of deaths: 0
Male: 500 mg/kg bw; Number of animals: 5; Number of deaths: 3
Male: 640 mg/kg bw; Number of animals: 5; Number of deaths: 4
Male: 1000 mg/kg bw; Number of animals: 5; Number of deaths: 5
Female: 400 mg/kg bw; Number of animals: 5; Number of deaths: 0
Female: 500 mg/kg bw; Number of animals: 5; Number of deaths: 0
Female: 640 mg/kg bw; Number of animals: 5; Number of deaths: 2
Female: 1000 mg/kg bw; Number of animals: 5; Number of deaths: 5
Clinical signs:
other: Shortly after application: piloerection, abnorm position, abnorm gait,lethargy, reduced breathing frequenz, pallor of extremities and increased salivation. Additionally ptosis in all rats after application of 500 mg/kg and more. 1000 kg/mg: clonic convuls
Gross pathology:
The autopsy of the rats which died during the study showed
in almost all rats a pallor of kidneys, spleen and/or liver.
The autopsy of the animals sacrificed at the end of the
study did not show deviations.

Applicant's summary and conclusion

Interpretation of results:
harmful
Remarks:
Migrated information Criteria used for interpretation of results: EU