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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Study period:
1967
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods with acceptable restrictions

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1967
Report date:
1967

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 401 (Acute Oral Toxicity)
GLP compliance:
no
Remarks:
Study performed prior to implementation of GLP
Test type:
standard acute method
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
trans-crotonic acid
EC Number:
203-533-9
EC Name:
trans-crotonic acid
Cas Number:
107-93-7
Molecular formula:
C4H6O2
IUPAC Name:
but-2-enoic acid

Test animals

Species:
rat
Strain:
Wistar
Sex:
female
Details on test animals or test system and environmental conditions:
body weight: 94-146 g

TEST ANIMALS
- Fasting period before study: yes

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
other: sesame oil
Details on oral exposure:
no data
Doses:
1250; 2000; 2500; 3200; 5000 mg/kg bw
No. of animals per sex per dose:
10
Control animals:
no
Details on study design:
- Duration of observation period following administration: 7 days

Results and discussion

Effect levels
Key result
Sex:
female
Dose descriptor:
LD50
Effect level:
2 610 mg/kg bw
Mortality:
yes, after 15-210 minutes
Clinical signs:
other: decedents: show imbalance and narcosis prior to death

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
The oral toxicity (LD50) of crotonic acid in female wistar rats was determined to be 2610 mg/kg bw under the test conditions.