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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicological information

Acute Toxicity: oral

Currently viewing:

Administrative data

Endpoint:
acute toxicity: oral
Remarks:
Smith article: Range-finding toxicity data: list VI + Merck index
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions

Data source

Referenceopen allclose all

Reference Type:
publication
Title:
Unnamed
Year:
1962
Report date:
1962
Reference Type:
review article or handbook
Title:
Unnamed
Year:
2008
Report date:
2008

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
Single oral dose toxicity is estimated by the gastric intubation of groups of five non-fasted, Carworth-Wistar male rats, 4-5 weeks of age and 90-120 grams in weight. The dosages are arranged in a logarithmic seeries differing by a factor of two.
GLP compliance:
no
Test type:
other: single dose oral toxicity

Test material

1
Chemical structure
Reference substance name:
Indole
EC Number:
204-420-7
EC Name:
Indole
Cas Number:
120-72-9
Molecular formula:
C8H7N
IUPAC Name:
1H-indole
Test material form:
solid

Test animals

Species:
rat
Strain:
Wistar
Sex:
male

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
not specified

Results and discussion

Effect levels
Sex:
male
Dose descriptor:
LD50
Effect level:
ca. 1 000 mg/kg bw
Based on:
test mat.

Applicant's summary and conclusion

Interpretation of results:
Category 4 based on GHS criteria
Conclusions:
H302 Acute tox 4 oral
Executive summary:

LD50 oral rat = 1000 mg/kg bw