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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
1988

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method B.1 (Acute Toxicity (Oral))
GLP compliance:
yes
Test type:
standard acute method

Test material

Constituent 1
Chemical structure
Reference substance name:
4,6-bis(octylthiomethyl)-o-cresol
EC Number:
402-860-6
EC Name:
4,6-bis(octylthiomethyl)-o-cresol
Cas Number:
110553-27-0
Molecular formula:
C25H44OS2
IUPAC Name:
4,6-bis(octylthiomethyl)-o-cresol

Test animals

Species:
other: Rat, Tif: RAlf (SPF), F3-hybrid of Rll 1
Sex:
male/female

Administration / exposure

Vehicle:
other: distilled water containing 0.5% carboxymethylcellullose and 0.1% Polysorbate 80

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 5 000 mg/kg bw
Mortality:
Male: 5000 mg/kg bw; Number of animals: 5; Number of deaths: 0
Female: 5000 mg/kg bw; Number of animals: 5; Number of deaths: 0
Clinical signs:
Signs of toxicity related to dose levels: Dyspnea, exophtalamos, fuffled fur and curved body position.
Gross pathology:
Effects on organs: no deviation from normal morphology were found on autopsy.

Applicant's summary and conclusion

Interpretation of results:
not classified
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
According to test results on rats and applying the EU Criteria, the substance is considered to be nontoxic.
Executive summary:

The LD50 won't be considered as use descriptor for DNEL derivation due to the uncertainty of this kind of derivation.