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Diss Factsheets

Toxicological information

Acute Toxicity: oral

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Administrative data

Endpoint:
acute toxicity: oral
Type of information:
experimental study
Adequacy of study:
key study
Study period:
17 Feb - 02 Mar 1988
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1988
Report date:
1988

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 401 (Acute Oral Toxicity)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method B.1 (Acute Toxicity (Oral))
Deviations:
no
GLP compliance:
yes
Test type:
standard acute method
Limit test:
yes

Test material

Constituent 1
Test material form:
liquid

Test animals

Species:
rat
Strain:
Wistar
Sex:
male/female
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source: Charles River Wiga GmbH, Sulzfeld, Germany.
- Age at study initiation: Approx. 8 weeks
- Weight at study initiation: males: 269- 273 g, females: 193 - 205 g
- Housing: Individually housed in polycarbonate cages
- Fasting period before study: Over night until 3 h after application
- Diet: ad libitum (RMH-B, Hope Farms, The Netherlands)
- Water: ad libitum
- Acclimation period: 5 days


ENVIRONMENTAL CONDITIONS
- Temperature (°C): 19 - 21
- Humidity (%): 40 - 60
- Photoperiod (hrs dark / hrs light): 12 / 12

IN-LIFE DATES: From: 17 Feb 1988 To: 02 Mar 1988.

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
unchanged (no vehicle)
Details on oral exposure:
The dose level was 2000 mg/kg bw and the dose volume (mL/kg bw) used was calculated as follows:

dose (g/kg bodyweight) / density (g/mL) = 2/0.8532 = 2.34 mL/kg (asumming test substance density of 0.8532 g/mL)







Doses:
2000 mg/kg bw
No. of animals per sex per dose:
5
Control animals:
no
Details on study design:
- Duration of observation period following administration: 14 days
- Frequency of observations and weighing: Mortality/Toxicity: every second hour on the day of dosing, afterwards daily; body weight were measured weekly
- Necropsy of survivors performed: yes

Results and discussion

Effect levels
Key result
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Based on:
test mat.
Mortality:
No mortality occurred during the study period.
Clinical signs:
other: No clinical signs of toxicity were observed up to the end of the observation period.
Gross pathology:
Necropsy revealed no substance-related findings.

Applicant's summary and conclusion

Interpretation of results:
other: CLP/EU GHS criteria not met, no classification required according to Regulation (EC) No 1272/2008
Conclusions:
CLP: not classified