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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Genetic toxicity: in vivo

Currently viewing:

Administrative data

Endpoint:
in vivo mammalian somatic cell study: cytogenicity / erythrocyte micronucleus
Remarks:
Type of genotoxicity: chromosome aberration
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: Original report not available

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1997

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 474 (Mammalian Erythrocyte Micronucleus Test)
GLP compliance:
yes
Type of assay:
micronucleus assay

Test material

Constituent 1
Chemical structure
Reference substance name:
p-toluidine
EC Number:
203-403-1
EC Name:
p-toluidine
Cas Number:
106-49-0
Molecular formula:
C7H9N
IUPAC Name:
4-methylaniline
Details on test material:
IUCLID4 Test substance: other TS: p-toluidine, purity: 99.8 %

Test animals

Species:
mouse
Strain:
CD-1
Sex:
male/female

Administration / exposure

Route of administration:
intraperitoneal
Duration of treatment / exposure:
once
Doses / concentrations
Remarks:
Doses / Concentrations:
43.75, 87.50, 175 mg/kg bw
Basis:

Results and discussion

Test results
Sex:
male/female
Genotoxicity:
negative
Toxicity:
no effects
Vehicle controls validity:
other: migrated dataset
Negative controls validity:
other: migrated dataset
Positive controls validity:
other: migrated dataset

Any other information on results incl. tables

Migrated dataset;
Migrated dataset;
RS-Freetext:
mortality:
significant mortality in the 175 mg/kg bw groups:
- all males died during 48 and 72 hours post dosing
- signs of toxicity were observed at all dose levels
- PCE:NCE ratio was not changed indicating that there was no cytotoxicity.

Applicant's summary and conclusion