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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1992
Report date:
1992

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
EU Method B.1 (Acute Toxicity (Oral))
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 401 (Acute Oral Toxicity)
Deviations:
no
GLP compliance:
yes
Test type:
standard acute method
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
A mixture of: cis-tetrahydro-2-isobutyl-4-methylpyran-4-ol; trans-tetrahydro-2-isobutyl-4-methylpyran-4-ol
EC Number:
405-040-6
EC Name:
A mixture of: cis-tetrahydro-2-isobutyl-4-methylpyran-4-ol; trans-tetrahydro-2-isobutyl-4-methylpyran-4-ol
Cas Number:
63500-71-0
Molecular formula:
C10 H20 O2
IUPAC Name:
4-methyl-2-(2-methylpropyl)oxan-4-ol
Details on test material:
- Lot/batch No.: S1943401
-Analytical purity: >99%
- Storage condition of test material: room temperature

Test animals

Species:
rat
Strain:
Sprague-Dawley
Sex:
male/female

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
unchanged (no vehicle)
Doses:
2000 mg/kg bodyweight (2.12 ml/kg Bodyweight)
No. of animals per sex per dose:
5
Control animals:
no

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Mortality:
no deaths
Clinical signs:
other: pilo-erection, increased salivation, abnormal body carriage (hunched posture), abnormal gait (waddling), lethargy, decreased respiratory rate, ptosis and pallor of the extremeties recovery of all rats was complete by day 3
Gross pathology:
no abnormalities were recorded

Applicant's summary and conclusion

Conclusions:
The acute lethal oral dose was found to be greater than 2000 mg/kg bodyweight.