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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Meets generally accepted scientific standards, acceptable for assessment.

Data source

Referenceopen allclose all

Reference Type:
publication
Title:
Unnamed
Year:
1979
Reference Type:
secondary source
Title:
Toxicity Profile. Para-Aminoazobenzene
Author:
BIBRA
Year:
1989
Bibliographic source:
BIBRA Information Section, UK.
Report date:
1989

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
no data
GLP compliance:
not specified
Test type:
standard acute method
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
4-aminoazobenzene
EC Number:
200-453-6
EC Name:
4-aminoazobenzene
Cas Number:
60-09-3
Molecular formula:
C12H11N3
IUPAC Name:
4-[(E)-2-phenyldiazen-1-yl]aniline
Details on test material:
- Name of test material (as cited in study report): 4-Aminoazobenzene
- Physical state: solid

Test animals

Species:
mouse
Strain:
Swiss Webster
Sex:
male
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source: Division of Cancer Treatment, Mammalian Genetics and Animal Production Section, National Cancer Institute
- Weight at study initiation: 25 - 30g
- Diet (e.g. ad libitum): ad libitum


Administration / exposure

Route of administration:
other: no data
Vehicle:
not specified
Details on oral exposure:
no data
Doses:
2 - 5500 mg/kg
No. of animals per sex per dose:
no data
Control animals:
not specified
Details on study design:
- Duration of observation period following administration: 24 hours

Results and discussion

Effect levels
Sex:
male
Dose descriptor:
LD50
Effect level:
483 mg/kg bw
Remarks on result:
other: after 24 hours
Mortality:
no data
Clinical signs:
other: no data
Gross pathology:
no data
Other findings:
no data

Applicant's summary and conclusion