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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
key study
Reliability:
4 (not assignable)

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
1992

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Annex V, B1 bis
GLP compliance:
yes
Test type:
fixed dose procedure
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
(2R,3R)-3-((R)-1-(tert-butyldimethylsiloxy)ethyl)-4-oxoazetidin-2-yl acetate
EC Number:
408-050-9
EC Name:
(2R,3R)-3-((R)-1-(tert-butyldimethylsiloxy)ethyl)-4-oxoazetidin-2-yl acetate
Cas Number:
76855-69-1
Molecular formula:
C13H25NO4Si
IUPAC Name:
(2R,3R)-3-[(1R)-1-[(tert-butyldimethylsilyl)oxy]ethyl]-4-oxoazetidin-2-yl acetate
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder

Test animals

Species:
rat
Strain:
Wistar
Sex:
male/female

Administration / exposure

Route of administration:
oral: unspecified
Vehicle:
corn oil
Doses:
Main : 2000 mg/kg
No. of animals per sex per dose:
Preliminary sighting study: 0 (male)
Preliminary sighting study: 1 (female)

Main study: 5 male
Main study: 5 female

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
discriminating dose
Effect level:
2 000 mg/kg bw
Mortality:
no mortality
Clinical signs:
other: none of the animals died. Signs of slight but not evident toxicity, including diarhoea, piloerection and upward curve of the spine, with complete recovery by day 7.

Applicant's summary and conclusion

Interpretation of results:
not classified
Remarks:
Migrated information