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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
May 1978
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: No standard stated in the study report, however report is robust.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1978
Report date:
1978

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Not specified
Deviations:
not specified
GLP compliance:
no
Test type:
standard acute method
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
(1,2-dioxoethylene)bis(iminoethylene) bis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]
EC Number:
274-572-7
EC Name:
(1,2-dioxoethylene)bis(iminoethylene) bis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]
Cas Number:
70331-94-1
Molecular formula:
C40H60N2O8
IUPAC Name:
(1,2-dioxoethylene)bis(iminoethylene) bis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]
Test material form:
not specified
Details on test material:
Referenced as TVCI within the report.

Test animals

Species:
rat
Strain:
Sprague-Dawley
Sex:
male/female
Details on test animals or test system and environmental conditions:
Animals: Sprague-Dawley male and female rats obtained from Charles River Breeding Laboratories.
Weight Range: At initiation, 127 – 260 grams.
Diet: Animals were fasted twenty-four hours prior to dosing. Immediately following dosing, the animals were given food; (Wayne Lab-Blox) and water, ad libitum.

Administration / exposure

Route of administration:
oral: unspecified
Vehicle:
vegetable oil
Details on oral exposure:
A constant volume of 25 or 30 ml/kg was maintained using vegetable oil as a diluent.
Doses:
10 gm/kg
No. of animals per sex per dose:
5 males and 5 females
Control animals:
no
Details on study design:
Mortality and Toxic Effects:
Following dosing, all animals were observed immediately and hourly for eight hours each day for 14 days.

Terminal Studies:
On day 14, post-administration, all animals were killed and a gross necropsy performed.
Statistics:
None specified

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 10 000 mg/kg bw
Based on:
test mat.
Mortality:
No deaths occured.
Clinical signs:
No changes noted.
Body weight:
No changes noted.
Gross pathology:
No visible compound-related lesions found.
Other findings:
None specified

Any other information on results incl. tables

 

Animal No.

Sex

Weight (grams)

ml Admin.

Observed Mortality

Total Deaths

Day

Initial

Final

1

2

3

4

5

6

7

8

9

10

11

12

13

14

1

M

259

354

7.80

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0/10

2

M

245

319

7.40

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

M

248

319

7.40

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

M

260

357

7.80

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

M

235

346

7.00

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

F

153

213

4.60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

F

150

211

4.50

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

F

142

200

4.30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

F

144

190

4.30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

F

150

203

4.50

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Observation: No visible change

Necropsy Findings: No visible lesions

Applicant's summary and conclusion

Interpretation of results:
not classified
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
LD50 >10 gm/kg
Executive summary:

A single administration was given to five male and five female Sprague-Dawley rats at a dose of 10 gm/kg. No mortality was seen in the rats.

LD50 >10 g/kg