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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Endpoint:
acute toxicity: dermal
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: Secondary reference - no information provided on methodology.

Data source

Reference
Reference Type:
review article or handbook
Title:
Committee for Veterinary Medicinal Products, Allantoin, Summary Report
Author:
The European Agency for the Evaluation of Medicinal Products
Year:
2001
Bibliographic source:
The European Agency for the Evaluation of Medicinal Products. EMEA/MRL/804/01-FINAL, October 2001

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
No information was provided on the methodology used.
GLP compliance:
not specified
Test type:
standard acute method
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
Allantoin
EC Number:
202-592-8
EC Name:
Allantoin
Cas Number:
97-59-6
Molecular formula:
C4H6N4O3
IUPAC Name:
1-(2,5-dioxoimidazolidin-4-yl)urea

Test animals

Species:
rat
Strain:
not specified
Sex:
not specified

Administration / exposure

Type of coverage:
not specified
Vehicle:
not specified
Details on dermal exposure:
Test substance was applied to normal and abraded skin.
Duration of exposure:
No data
Doses:
5 g/kg bw
No. of animals per sex per dose:
No data
Control animals:
not specified
Details on study design:
No data
Statistics:
No data

Results and discussion

Effect levels
Sex:
not specified
Dose descriptor:
LD50
Effect level:
>= 5 000 mg/kg bw
Based on:
test mat.

Applicant's summary and conclusion

Conclusions:
Upon dermal application of allantoin to the normal and abraded skin, the LD50 in rats is more than or equal to 5 g/kg bw.