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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2007
Report date:
2007

Materials and methods

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

Test material

Constituent 1
Details on test material:
- Name of test material (as cited in study report): 3',4',5'-Trifluoro-biphenyl-2-ylamine
- Physical state: solid, beige
- Analytical purity: 99.67%

Test animals

Species:
rat
Strain:
Wistar
Sex:
female
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source: TECAM Animal Facility (S. Roque, SP).
- Age at study initiation: 9 weeks
- Weight range at study initiation: not greater than 20 percent of the mean weight
- Housing: Animals were housed using conventional polypropilene rodent cages (Beiramar, CXBHG, 4 1 X 34 X 16cm) with three animals per cage.
- Diet (e.g. ad libitum): Pelleted commercial diet for the species (Biobase Biotec) was provided ad libitum
- Water (e.g. ad libitum): Filtered water was provided ad libitum.
- Acclimation period: 5 days

ENVIRONMENTAL CONDITIONS
- Temperature (°C): 20 - 23
- Humidity (%): 64 (average)
- Photoperiod (hrs dark / hrs light): 12/12

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
corn oil
Details on oral exposure:
VEHICLE
Test substance was applied diluted in corn oil (dilution concentration was 500 mg/mL).
Doses:
2000 mg/kg bw/day
No. of animals per sex per dose:
6
Control animals:
no
Details on study design:
- Duration of observation period following administration: 14 days
- Frequency of observations: Animals were observed individually after dosing during the first 24 hours with special attention given during the first 4 hours (day 1). Daily thereafter.
- Frequency of weighing: before substance administration. weekly thereafter
- Necropsy of survivors performed: yes
- Other examinations performed: clinical signs, body weight, gross pathology

Results and discussion

Effect levels
Key result
Sex:
female
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Mortality:
no mortality
Clinical signs:
no signs of evident toxicity
Body weight:
body weight changes within the range of physiological variability.
Gross pathology:
No macroscopic changes were observed in any of the major organs of the examined animals.

Applicant's summary and conclusion