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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: oral
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Study well documented, meets generally accepted scientific principles, acceptable for assessment.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1970
Report date:
1970

Materials and methods

Principles of method if other than guideline:
BASF-Test, no guideline available at that time.
GLP compliance:
no
Test type:
standard acute method
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
3,7,11,15-tetramethylhexadec-1-en-3-ol
EC Number:
208-008-8
EC Name:
3,7,11,15-tetramethylhexadec-1-en-3-ol
Cas Number:
505-32-8
Molecular formula:
C20H40O
IUPAC Name:
3,7,11,15-tetramethylhexadec-1-en-3-ol
Details on test material:
- Name of test material (as cited in study report): Isophytol G
- Physical state: fluid
- Analytical purity: ca. 90 %
- Impurities (identity and concentrations): not reported

Test animals

Species:
rat
Strain:
not specified
Sex:
male/female
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source: Gassner, Sulzfeld
- Age at study initiation: no data
- Weight at study initiation: males 231 g, females 186 g
- Fasting period before study: no data
- Housing: 5/cage

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
other: Traganth
Details on oral exposure:
VEHICLE
- Concentration in vehicle: 2, 20, 30 %

MAXIMUM DOSE VOLUME APPLIED: 21.3 ml/kg bw
Doses:
200, 1600, 3200, 6400 µl/kg bw (corresponding to 169, 1350, 2700, 5400 mg/kg bw, based on a density of 0.844 g/cm³)
No. of animals per sex per dose:
10
Control animals:
not specified
Details on study design:
- Duration of observation period following administration: 7 days
- Frequency of observations and weighing: weighing at begin of the study, observations daily
- Necropsy of survivors performed: yes
- Other examinations performed: clinical signs
Statistics:
The approximate LD50 was calculated, the method of calculation was not reported.

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 5 400 mg/kg bw
Remarks on result:
other: > 6400 mm^3/kg bw, converted using a relative density of 0.844
Mortality:
No mortality occurred
Clinical signs:
other: Apathy, tachypnea in the two highest dose groups; all dose groups without symptoms 3 days after dosing
Gross pathology:
No findings

Applicant's summary and conclusion