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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
study well documented, meets generally accepted scientific principles, acceptable for assessment

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)
Principles of method if other than guideline:
Test material was administered by oral gavage to rats at various dose levels. Survivors were observed for 14 days after dosing.
GLP compliance:
no
Test type:
standard acute method
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Butan-1-ol
EC Number:
200-751-6
EC Name:
Butan-1-ol
Cas Number:
71-36-3
Molecular formula:
C4H10O
IUPAC Name:
butan-1-ol
Test material form:
liquid

Test animals

Species:
rat
Strain:
other: Harlan Wistar
Sex:
female

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
unchanged (no vehicle)
Doses:
Dosage levels differ by a factor of 2 in a geometric series.
No. of animals per sex per dose:
Number of female rats used not stated in report but typically 6 rats are used/dose level.
Control animals:
not specified

Results and discussion

Effect levelsopen allclose all
Key result
Sex:
female
Dose descriptor:
LD50
Effect level:
ca. 2 292 mg/kg bw
Based on:
test mat.
Remarks on result:
other: converted value (calculated with a density 0.81 g/mL)
Key result
Sex:
female
Dose descriptor:
LD50
Effect level:
2.83 mL/kg bw
Based on:
test mat.
Remarks on result:
other: original value

Any other information on results incl. tables

No additional information available.

Applicant's summary and conclusion

Interpretation of results:
Category 5 based on GHS criteria