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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Study period:
03 - 20 Jan 1989
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: GLP-guideline study with acceptable restrictions. Lack of detail on test material.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1989
Report date:
1989

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 401 (Acute Oral Toxicity)
Version / remarks:
adopted in 1987
Deviations:
yes
Remarks:
lack of detail on test material
GLP compliance:
yes
Test type:
standard acute method
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
Isooctadecyl isooctadecanoate
EC Number:
255-485-3
EC Name:
Isooctadecyl isooctadecanoate
Cas Number:
41669-30-1
Molecular formula:
C36H72O2
IUPAC Name:
2-methylheptadecyl 3-methylheptadecanoate
Details on test material:
- Name of test material (as cited in study report): [only trade name given]
- Physical state: liquid
- Analytical purity: no data

Test animals

Species:
rat
Strain:
Sprague-Dawley
Sex:
male/female
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source: IFFA CREDO (L'Arbresle, FRANCE)
- Age at study initiation: 2 months old
- Weight at study initiation: 171.9 ± 3.3 g (males) and 159.8 ± 6.2 g (females)
- Fasting period before study: 16 hours
- Housing: 5 animals per sex were housed in Makrolon boxes (45.5 x 31 x 19 cm) whose floor was covered with soft wood sawdust (UAR 96360 Villemoison)
- Diet: feed UAR A04C, ad libitum
- Water: tap water, ad libitum
- Acclimation period: 7 days

ENVIRONMENTAL CONDITIONS
- Temperature (°C): 21 ± 2
- Humidity (%): 55 ± 10
- Air changes (per hr): 14
- Photoperiod (hrs dark / hrs light): 12/12

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
unchanged (no vehicle)
Doses:
2000 mg/kg bw
No. of animals per sex per dose:
5
Control animals:
other: not required
Details on study design:
- Duration of observation period following administration: 14 days
- Frequency of observations and weighing: animals were observed for clinical signs immediately after test item administration upto 3 h and then daily observations were made upto 14 days. Animals were also observed for mortality at least twice a day and were weighed on day 0, 3 , 7 and 14.
- Necropsy of survivors performed: yes

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Based on:
test mat.
Remarks on result:
other: no mortality or clinical signs were observed at this dose level
Mortality:
There was no mortality during the study period.
Clinical signs:
other: No clinical signs of toxicity were observed up to the end of the 14-day observation period.
Gross pathology:
Necropsy examination revealed no substance-related findings.

Applicant's summary and conclusion

Interpretation of results:
not classified
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
CLP: not classified
DSD: not classified