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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:
2006-06-07 to 2006-11-08
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP-study according to OECD test guideline 423

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2006
Report date:
2006

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 423 (Acute Oral toxicity - Acute Toxic Class Method)
Version / remarks:
December 2001
Deviations:
no
GLP compliance:
yes
Test type:
acute toxic class method
Limit test:
yes

Test material

Test animals

Species:
rat
Strain:
Wistar
Sex:
female
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source: Charles River Deutschland GmbH, D-97633 Sulzfeld
- Weight at study initiation: 148 g - 177 g
- Housing: transparent macrolone cages (type 3-180, floor area 810 cm2) with two or three rats/cage
- Diet: Altromin 1314" from Altromin GmbH, D-32791 Lage; ad libitum
- Water: free access to bottles with domestic quality drinking water acidified with hydrochloric acid to pH 2.5 in order to prevent microbial growth
- Acclimation period: 5 d

ENVIRONMENTAL CONDITIONS
- Temperature: 22°C ± 3°C
- Humidity: > 30 - < 70 %
- Air changes: 10 times/hour
- Photoperiod: 12h dark/12h ligtht, light from 6.00 a.m. to 6.00 p.m.

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
corn oil
Details on oral exposure:
The test item was administered orally by gavage to rats fasted overnight prior to dosing. After dosing diet was withheld for 4 more hours.
Doses:
2000 mg/kg bw
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 and weighing: Each rat was observed 30 min, 2, 4 and 6 hours after the administration and thereafter daily for a period of 14 consecutive days.
- Necropsy of survivors performed: yes
- Other examinations performed: body weight
Statistics:
not applicable

Results and discussion

Preliminary study:
2 female rats: LD50 > 2000 mg/kg bw
Effect levels
Sex:
female
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Based on:
test mat.
Mortality:
none
Clinical signs:
none
Body weight:
normal gain
Gross pathology:
gross necropsy revealed no pathological abnormalities

Applicant's summary and conclusion