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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Repeated dose toxicity: oral

Currently viewing:

Administrative data

Endpoint:
sub-chronic toxicity: oral
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)

Data source

Referenceopen allclose all

Reference Type:
study report
Title:
Unnamed
Year:
1979
Reference Type:
secondary source
Title:
BUA Stoffbericht 55: Chlortoluidine (3-Chlor-2-methylanilin, 5-Chlor-2-methylanilin, 3-Chlor-4-methylanilin)
Author:
BUA Beratergremium für umweltrelevante Altstoffe
Year:
1990
Bibliographic source:
Verlag Chemie Weinheim 1991

Materials and methods

Test guideline
Guideline:
other: no data
Principles of method if other than guideline:
see BUA Stoffberichte No. 55 for details
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
5-chloro-o-toluidine
EC Number:
202-452-6
EC Name:
5-chloro-o-toluidine
Cas Number:
95-79-4
Molecular formula:
C7H8ClN
IUPAC Name:
5-chloro-2-methylaniline

Test animals

Species:
rat
Strain:
Fischer 344
Sex:
male/female

Administration / exposure

Route of administration:
oral: feed
Vehicle:
not specified
Analytical verification of doses or concentrations:
not specified
Duration of treatment / exposure:
4 weeks
Frequency of treatment:
no data
Doses / concentrationsopen allclose all
Remarks:
Doses / Concentrations:
31.5 mg/kg BW
Basis:
nominal in diet
Remarks:
Doses / Concentrations:
68 mg/kg BW
Basis:
nominal in diet
Remarks:
Doses / Concentrations:
146.5 mg/kg BW
Basis:
nominal in diet
Remarks:
Doses / Concentrations:
315.5 mg/kg BW
Basis:
nominal in diet
Remarks:
Doses / Concentrations:
680 mg/kg BW
Basis:
nominal in diet
No. of animals per sex per dose:
5

Results and discussion

Results of examinations

Clinical signs:
no effects observed
Description (incidence and severity):
No mortallity. 100 % of the animals survived.
Mortality:
no mortality observed
Description (incidence):
No mortallity. 100 % of the animals survived.
Body weight and weight changes:
effects observed, treatment-related
Description (incidence and severity):
reduced weight increase rate
Food consumption and compound intake (if feeding study):
not specified
Food efficiency:
not specified
Water consumption and compound intake (if drinking water study):
not specified
Ophthalmological findings:
not specified
Haematological findings:
not specified
Clinical biochemistry findings:
not specified
Urinalysis findings:
not specified
Behaviour (functional findings):
not specified
Organ weight findings including organ / body weight ratios:
not specified
Gross pathological findings:
effects observed, treatment-related
Description (incidence and severity):
speckled liver and kidneys even at lowest concentration
Histopathological findings: non-neoplastic:
no effects observed
Histopathological findings: neoplastic:
no effects observed

Effect levels

Remarks on result:
not measured/tested
Remarks:
Effect level not specified (migrated information)

Target system / organ toxicity

Critical effects observed:
not specified

Any other information on results incl. tables

The study was conducted as a preliminary test to determine the optimal dosage for a chronic toxicity study. Therefore no effect level is available.

Applicant's summary and conclusion