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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
acute toxicity: oral
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
1988

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: OECD 401
GLP compliance:
yes
Test type:
standard acute method
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2-methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one
EC Number:
400-600-6
EC Name:
2-methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one
Cas Number:
71868-10-5
Molecular formula:
C15H21NO2S
IUPAC Name:
2-methyl-1-[4-(methylsulfanyl)phenyl]-2-(morpholin-4-yl)propan-1-one

Test animals

Species:
other: rat / Til: RAI f (SPF)

Administration / exposure

Vehicle:
other: 0.5% CMC and 0.1% polysorbate 80

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
1 984 mg/kg bw
Mortality:
Male: 1000 mg/kg bw; Number of animals: 5; Number of deaths: 0
Male: 2000 mg/kg bw; Number of animals: 5; Number of deaths: 1
Male: 4000 mg/kg bw; Number of animals: 5; Number of deaths: 4
Female: 5 mg/kg bw; Number of animals: ; Number of deaths: 2
Female: 5 mg/kg bw; Number of animals: ; Number of deaths: 3
Female: 5 mg/kg bw; Number of animals: ; Number of deaths: 5
Clinical signs:
other: Signs of toxicity related to dose levels: Unspecific symptoms of toxicity, reversible after 19 days in the surviving animals of the 2000 mg/kg group and after 13 days in the animals of the 1000 mg/kg group.
Gross pathology:
Effects on organs:
2 animals of the 4000 mg/kg group showed spotted lungs. 1 animal of the 1000 mg/kg group exhibited bilateral eye opacity, which was not reversible during the observation period. various animals showed skin erythema and alopezia.
After 3 weeks hair started to grow again in the effected area.

Applicant's summary and conclusion

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