Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
acute toxicity: dermal
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data

Data source

Reference
Reference Type:
review article or handbook
Title:
The ganglioplegic effect of 3-alkylaminoalkyl-hydantoins
Author:
STILLE G, BRUNCKOW I.
Year:
1954
Bibliographic source:
Arzneimittel-Forschung. Drug Research. Vol. 4, Pg. 723, 1954.

Materials and methods

GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
5,5-dimethylhydantoin
EC Number:
201-051-3
EC Name:
5,5-dimethylhydantoin
Cas Number:
77-71-4
Molecular formula:
C5H8N2O2
IUPAC Name:
5,5-dimethylimidazolidine-2,4-dione
Details on test material:
Identity: 5,5-Dimethylhydantoin (CAS RN 77-71-4)
Purity: No information provided
Specific details on test material used for the study:
Identity: 5,5-Dimethylhydantoin (CAS RN 77-71-4)
Purity: No information provided

Test animals

Species:
mouse
Strain:
New Zealand White
Sex:
not specified

Administration / exposure

Type of coverage:
not specified
Vehicle:
not specified
Details on dermal exposure:
The route of exposure specified is the subcutaneous one. As a conservative assumption the subcutaneous route was use for the evaluation of the acute dermal toxicity of the substance.
Control animals:
not specified

Results and discussion

Effect levels
Sex:
not specified
Dose descriptor:
LD50
Effect level:
2 800 mg/kg bw

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
The route of exposure specified is the subcutaneous one. As a conservative assumption, the subcutaneous route was used for the evaluation of the acute dermal toxicity of the substance.
The acute dermal LD50 for 5,5-Dimethylhydantoin was determined to be 2800 mg/kg in mouse.