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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: oral
Type of information:
experimental study
Adequacy of study:
key study
Study period:
in or before 1963
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:
Esters
Author:
Fassett DW
Year:
1963
Bibliographic source:
In: Industrial Hygiene and Toxicology, 2nd Ed. Edited by Patty FA, Vol II, pa. 1895, Interscience Publishers, New York

Materials and methods

Principles of method if other than guideline:
no guideline stated
GLP compliance:
not specified
Test type:
other: no data

Test material

Constituent 1
Chemical structure
Reference substance name:
Diethyl maleate
EC Number:
205-451-9
EC Name:
Diethyl maleate
Cas Number:
141-05-9
Molecular formula:
C8H12O4
IUPAC Name:
diethyl (Z)-but-2-enedioate
Details on test material:
no details on test material available

Test animals

Species:
rat
Strain:
not specified
Sex:
not specified
Details on test animals or test system and environmental conditions:
no data

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
not specified
Details on oral exposure:
no data
Doses:
no data
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:
3 200 mg/kg bw
Based on:
not specified
Mortality:
no data
Clinical signs:
other: no data
Gross pathology:
no data
Other findings:
no data

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
The LD50, oral of the test material was >3200 mg/kg body weight. No classification is therefored required.
Executive summary:

The oral LD50 tested in rats, with the test material was >3200 mg/kg body weight. No classification is therefored required.