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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
study well documented, meets generally accepted scientific principles, acceptable for assessment
Remarks:
Screening test with basic information and result reporting. Appears valid.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1972
Report date:
1972

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
The observation period was 7 days, and animals per dose was not according to guideline.
GLP compliance:
not specified
Test type:
standard acute method
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Undecan-1-ol
EC Number:
203-970-5
EC Name:
Undecan-1-ol
Cas Number:
112-42-5
Molecular formula:
C11H24O
IUPAC Name:
undecan-1-ol
Details on test material:
No data available.

Test animals

Species:
rat
Strain:
Sprague-Dawley
Sex:
male/female
Details on test animals or test system and environmental conditions:
- Weight at study initiation: 215-260g

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
other: undiluted
Details on oral exposure:
No detail available.
Doses:
5010 mg/kg, 7940 mg/kg, 12600 mg/kg, 15800mg/kg
No. of animals per sex per dose:
5010mg/kg; 1F, 7940mg/kg; 1F, 12600mg/kg; 1F, 15800mg/kg; 3M, 2F.
Control animals:
not specified
Details on study design:
Observations were made for toxic signs and the viscera of the test animals were examined macroscopically. Observation period 7 days.

Results and discussion

Effect levels
Key result
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 15 800 mg/kg bw
Based on:
test mat.
Mortality:
No animals died.
Clinical signs:
other: Toxic signs included reduced appetite and activity and lethargy lasting two to three days.
Gross pathology:
Surviving animals were sacrificed seven days after dosing. The viscera appeared normal by macroscopic examination.

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
The rat oral LD50 for undecyl alcohol was >15800 mg/kg. The study was not conducted according to GLP and the observation period was 7 days.