Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
April-June 1972
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:
1972
Report date:
1972

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 423 (Acute Oral toxicity - Acute Toxic Class Method)
GLP compliance:
no
Test type:
acute toxic class method
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate
EC Number:
258-207-9
EC Name:
Bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate
Cas Number:
52829-07-9
Molecular formula:
C28H52N2O4
IUPAC Name:
bis(2,2,6,6-tetramethylpiperidin-4-yl) sebacate

Test animals

Species:
rat
Strain:
other: CFY
Sex:
male/female
Details on test animals or test system and environmental conditions:
- Source: not indicated
- Age: not indicated
- Number: 5/sex/group
- Weight at study initiation: 97-112 g
- Controls: 5/sex (vehicle)

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
CMC (carboxymethyl cellulose)
Details on oral exposure:
- Vehicle: 0.5% CMC
- Volume administered or concentration: =<16.7 mL/kg bw
The test material was prepared as a 30% suspension. Rats dosed with the vehicle alone (16. 7ml/kg) served as controls.
Doses:
0, 2500, 3200, 4000 and 5000 mg/kg bw
No. of animals per sex per dose:
5
Control animals:
yes
Details on study design:
- Duration of observation period following administration: 14 days
- Frequency of weighing: once per week
- Necropsy of survivors performed: yes
- Other examinations performed: clinical signs, body weight

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
3 700 mg/kg bw
Mortality:
- Males: 0/5, 2/5, 2/5, 3/5 and 5/5 at 0, 2500, 3200, 4000 and 5000 mg/kg bw
- Females: 0/5, 0/5, 0/5, 2/5 and 4/5 at 0, 2500, 3200, 4000 and 5000 mg/kg bw
- Time of death: between 42 hours and 4 days after dosing
Clinical signs:
other: Salivation, diarrhoea and diuresis. Animals recovered within 2 days
Gross pathology:
Pale patches on liver lobes of animals that died.
Other findings:
SEX-SPECIFIC DIFFERENCES: None

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
The oral LD50 was established at 3700 mg/kg bw