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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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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:
other: Non-GLP non-guideline, available as unpublished report, limitations in design and/or reporting but otherwise adequate for assessment

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1961
Report date:
1961

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
BASF internal standardized method: Two rabbits per dose exposed orally to the test substance. Necropsy performed on the animals that died.
GLP compliance:
no
Test type:
standard acute method
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2,5-dihydrofuran
EC Number:
216-957-4
EC Name:
2,5-dihydrofuran
Cas Number:
1708-29-8
Molecular formula:
C4H6O
IUPAC Name:
2,5-dihydrofuran
Details on test material:
- Name of test material (as cited in study report): 2,5-Dihydrofuran
- Purity: 94%
- Physical state: colorless clear iquid

Test animals

Species:
rabbit

Administration / exposure

Route of administration:
oral: unspecified
Vehicle:
other: Aqueous emulsion of Tragacanth
Doses:
0.4, 0.5, 1.0 mL/kg
No. of animals per sex per dose:
2
Control animals:
no
Details on study design:
- Necropsy of survivors performed: yes
- Other examinations performed: clinical signs

Results and discussion

Effect levels
Sex:
not specified
Dose descriptor:
LD50
Effect level:
>= 0.5 - <= 1 mL/kg bw
Based on:
test mat.
Mortality:
- No mortality observed in animals exposed to 0.4 and 0.5 mL/kg.
- All animals exposed to 1 mL/kg died, within 24 hours after exposure.
Clinical signs:
other: - Loss of apetite observed in animals exposed to 1.0 mL/kg - In one animal, exposed to 0.4 or 0.5 mL/kg, a temporary lack of appetite, convulsive trembling, apathy and diarrhea were observed.
Gross pathology:
At the necropsy a histologically detectable extensive submucosal bleeding of the stomach was observed, in one of the animals that died
Other findings:
- Histopathology: Kidney damage was observed

Applicant's summary and conclusion

Interpretation of results:
harmful
Remarks:
Migrated information