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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: dermal
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions
Remarks:
Only short summary available, but results are reported sufficiently for assessment.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1964
Report date:
1964

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 402 (Acute Dermal Toxicity)
GLP compliance:
no
Test type:
standard acute method
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2,4-di-tert-butylphenyl 3,5-di-tert-butyl-4-hydroxybenzoate
EC Number:
224-166-0
EC Name:
2,4-di-tert-butylphenyl 3,5-di-tert-butyl-4-hydroxybenzoate
Cas Number:
4221-80-1
Molecular formula:
C29H42O3
IUPAC Name:
2,4-di-tert-butylphenyl 3,5-di-tert-butyl-4-hydroxybenzoate

Test animals

Species:
rat
Strain:
not specified
Sex:
not specified

Administration / exposure

Vehicle:
other: xylene
Details on dermal exposure:
MAXIMUM DOSE VOLUME APPLIED: 10000 mg/kg

VEHICLE
- Amount(s) applied: Small quantity of xylene was used as a binder to allow better application of the test substance to the clipped skins areas
No. of animals per sex per dose:
No of animals: 3 animals per dose (sex not specified)
Control animals:
not specified
Details on study design:
no data

Results and discussion

Preliminary study:
none
Effect levels
Key result
Sex:
not specified
Dose descriptor:
LD50
Effect level:
> 10 000 mg/kg bw
Based on:
test mat.
Mortality:
no mortality occured
Clinical signs:
no data
Body weight:
no data
Gross pathology:
no data

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
The dermal LD50 was greater than 10000 mg/kg bw.