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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Currently viewing:

Administrative data

Endpoint:
acute toxicity: oral
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment

Data source

Referenceopen allclose all

Reference Type:
review article or handbook
Title:
Range-Finding Toxicity Data: List VII
Author:
Smyth HF, Carpenter CC, Weil CS, Pozzani UC, Striegel JA and Nycum JS
Year:
1969
Bibliographic source:
Am. Ind. Hyg. Assoc. J. 30, 470-476
Reference Type:
publication
Title:
Unnamed
Year:
1962

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
other: as described by Smyth et al., Amer. Ind. Hyg. Assoc. J. 23, 95-107
GLP compliance:
not specified
Test type:
acute toxic class method

Test material

Constituent 1
Chemical structure
Reference substance name:
Diethyl malonate
EC Number:
203-305-9
EC Name:
Diethyl malonate
Cas Number:
105-53-3
Molecular formula:
C7H12O4
IUPAC Name:
diethyl malonate

Test animals

Species:
rat
Strain:
Wistar
Sex:
male
Details on test animals or test system and environmental conditions:
age 4 - 5 weeks
weight 90 - 120 g

Administration / exposure

Route of administration:
other: gastric intubation
No. of animals per sex per dose:
5 per dose

Results and discussion

Effect levels
Key result
Sex:
male
Dose descriptor:
LD50
Effect level:
15 794 mg/kg bw
Based on:
test mat.

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
The LD50 value determined by the study is 15.8 g/kg. This value is far above the limit for a classification as acute toxic.