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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: inhalation
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: only orientating information about the inhalation hazard

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1968
Report date:
1968

Materials and methods

Principles of method if other than guideline:
according to BASF-internal standard
GLP compliance:
no
Test type:
other: inhalation hazard test

Test material

Constituent 1
Chemical structure
Reference substance name:
4-hydroxybutan-2-one
EC Number:
209-693-6
EC Name:
4-hydroxybutan-2-one
Cas Number:
590-90-9
Molecular formula:
C4H8O2
IUPAC Name:
4-hydroxybutan-2-one
Details on test material:
Name of the test substance used in the study report: 1-Hydroxy-2-oxo-butan (Ketobutanol)
(contains impurities of methylvinylketon)

Test animals

Species:
rat
Sex:
male/female

Administration / exposure

Route of administration:
inhalation: vapour
Type of inhalation exposure:
whole body
Remarks on duration:
3 and 10 min
No. of animals per sex per dose:
12
Control animals:
no

Results and discussion

Mortality:
3 min: 0/12
10 min: 12/12
Clinical signs:
other: intense attempts to escape, severe mucosal irriations, breathlessness, gasping, after study ending staggering and abdominal position or orthopnea
Gross pathology:
partly emphysema, terminal lung edema and minor hydrothorax

Applicant's summary and conclusion