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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Study period:
1975-10
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1975
Report date:
1975

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 423 (Acute Oral toxicity - Acute Toxic Class Method)
Deviations:
yes
Remarks:
Limited details on test design and observations were reported. Body weight not recorded, no individual data
GLP compliance:
no
Test type:
standard acute method
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
Dioctadecyl 3,3'-thiodipropionate
EC Number:
211-750-5
EC Name:
Dioctadecyl 3,3'-thiodipropionate
Cas Number:
693-36-7
Molecular formula:
C42H82O4S
IUPAC Name:
dioctadecyl 3,3'-thiodipropionate
Details on test material:
- Substance type: Organic
- Physical state: Solid, white granules

Test animals

Species:
rat
Strain:
Sprague-Dawley
Sex:
male/female
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source: In house bred
- Age at study initiation: 7 -8 weeks
- Weight at study initiation: 265 g (males); 167 g (females)
- Housing: Individually
- Diet: Ad libitum, commercial pelleted diet (Oakes Special Diet with added Vit. E)
- Water: Ad libitum

ENVIRONMENTAL CONDITIONS
- Temperature (°C): 21 ± 2
- Photoperiod (hrs dark / hrs light): 12/12

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
other: 50 % aqueous solution of polyethylene glycol
Doses:
A 25 % (w/v) solution of the compound in a 50 % aqueous solution of polyethylene glycol was administered as a single dose to rats which had been fasted for 18 hours, at a rate of 20 mL/kg (equivalent to 5 g compound/kg).
No. of animals per sex per dose:
5
Control animals:
no
Details on study design:
- Duration of observation period following administration: 14 days
- Necropsy of survivors performed: yes
- Other examinations performed: clinical signs

Results and discussion

Effect levelsopen allclose all
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 5 000 mg/kg bw
Sex:
male/female
Dose descriptor:
LD0
Effect level:
>= 5 000 mg/kg bw
Mortality:
No deaths occurred during the 14 day observation period.
Clinical signs:
other: No clinical symptoms were recorded
Gross pathology:
At autopsy no changes in organs or tissues caused by the administration of the test compound were seen.

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
The acute oral median lethal dose (LD50) of the test article in rats is greater than 5 g/kg body weight. No clinical symptoms were recorded and no deaths occurred during the 14 day observation period.