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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
acute toxicity: other routes
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1974
Report date:
1974

Materials and methods

Principles of method if other than guideline:
LD50 in mice after i.p. injection
GLP compliance:
no
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Isobutyl vinyl ether
EC Number:
203-678-8
EC Name:
Isobutyl vinyl ether
Cas Number:
109-53-5
Molecular formula:
C6H12O
IUPAC Name:
1-(ethenyloxy)-2-methylpropane
Details on test material:
no details

Test animals

Species:
mouse
Strain:
not specified
Sex:
male/female

Administration / exposure

Route of administration:
intraperitoneal
Vehicle:
CMC (carboxymethyl cellulose)
Details on exposure:
aqueous emulsion with CNC
Doses:
200, 1600, 2000, 2500, 3200, and 6400 µl/kg bw.
No. of animals per sex per dose:
5
Control animals:
no
Details on study design:
Observation: Observation period: 7 days. Clinical signs of toxicity, mortalities within 7 days. Terminal necropsy.

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
2 150 mg/kg bw
Remarks on result:
other: for males and females combined

Any other information on results incl. tables

Mice died within 2 days. Mortality in males and females very similar. No mortality at <=2000 µl/kg bw.

Clinical signs: dyspnoea, convulsions, staggered gait, apathy, prone position.

No clinical effects after 7 days.

Necropsy: no effects.

Applicant's summary and conclusion

Conclusions:
LD50 in male & female mice after i.p. injection was 2150 mg/kg bw.