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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicological information

Acute Toxicity: oral

Currently viewing:

Administrative data

Endpoint:
acute toxicity: oral
Type of information:
experimental study
Adequacy of study:
other information
Study period:
June 12th, 1979 to July 17th, 1979
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
comparable to guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1979
Report date:
1979

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 401 (Acute Oral Toxicity)
GLP compliance:
no
Test type:
standard acute method
Limit test:
no

Test material

Test material form:
liquid
Details on test material:
Clear colourless liquid
Specific details on test material used for the study:
Purity not specified

Test animals

Species:
rat
Strain:
Wistar
Remarks:
Hoe WISKf(SPF71)
Sex:
male
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Weight at study initiation: males: 160 g - 188 g (average 176.1 g)
- Fasting period before study: about 16 hours
- Housing: no data
- Diet: Altromin 1324 rat diet, ad libitum
- Water: tap water, ad libitum
- Acclimation period: no data
ENVIRONMENTAL CONDITIONS
- Temperature (°C): no data
- Humidity (%): no data
- Air changes (per hr): no data
- Photoperiod: no data

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
other: starch slime
Remarks:
starch content: 2%
Details on oral exposure:
concentration in vehicle: 25%
Doses:
1250, 2000, 2500, 3150 and 5000 mg/kg bw
No. of animals per sex per dose:
10
Control animals:
no
Details on study design:
- Duration of observation period following administration: 14 days
- Frequency of weighing: weekly
- Necropsy of survivors performed: yes
- Other examinations performed: clinical signs, body weight, gross pathology, histopathology
Statistics:
Probit analyis according to Linder and Weber.

Results and discussion

Effect levels
Key result
Sex:
male
Dose descriptor:
LD50
Effect level:
2 800 mg/kg bw
Based on:
test mat.
95% CL:
>= 2 420 - <= 3 360

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
The LD50 value for acute oral toxicity of the test substance is 2800 mg/kg bw in male Wistar rats.