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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
disregarded due to major methodological deficiencies
Reliability:
3 (not reliable)
Rationale for reliability incl. deficiencies:
other: Documentation insufficient for assessment

Data source

Reference
Reference Type:
publication
Title:
Unnamed
Year:
1940

Materials and methods

Test guideline
Qualifier:
no guideline followed
GLP compliance:
not specified
Test type:
other:
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Hexane-2,5-dione
EC Number:
203-738-3
EC Name:
Hexane-2,5-dione
Cas Number:
110-13-4
Molecular formula:
C6H10O2
IUPAC Name:
hexane-2,5-dione
Test material form:
not specified

Test animals

Species:
guinea pig
Strain:
other: mixed stock
Sex:
female
Details on test animals or test system and environmental conditions:
400-600 g

Administration / exposure

Route of administration:
inhalation: vapour
Type of inhalation exposure:
whole body
Vehicle:
air
Details on inhalation exposure:
chamber temperature 25°C
Analytical verification of test atmosphere concentrations:
yes
Duration of exposure:
> 10 - < 775 min
Concentrations:
saturated vapour, 0.04 % in air
No. of animals per sex per dose:
only one dose group (saturated vapour)
Control animals:
yes
Details on study design:
respiratory rate, pulse and rectal temperature were monitored at 10, 90, 145, 752 and 775 minutes
Statistics:
no data

Results and discussion

Effect levels
Sex:
female
Dose descriptor:
other: irritation, lacrimation
Effect level:
ca. 10 other: minutes
Based on:
other: saturated vapour
Mortality:
none
Clinical signs:
other: lacrimation, irritation, salivation, watery discharge from the nose
Body weight:
no data
Gross pathology:
not performed

Applicant's summary and conclusion

Interpretation of results:
practically nontoxic
Remarks:
Migrated information Criteria used for interpretation of results: OECD GHS
Conclusions:
At the conditions of the experiment no time-concentration-chart could be produced.
The only effect observed is irritation at all time points.