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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
in vitro gene mutation study in bacteria
Type of information:
other: read across from analogue substance
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2020

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 471 (Bacterial Reverse Mutation Assay)
GLP compliance:
yes
Type of assay:
bacterial reverse mutation assay

Test material

Constituent 1
Chemical structure
Reference substance name:
4,4'-[1,3-phenylenebis(azo)]bisbenzene-1,3-diamine
EC Number:
213-888-1
EC Name:
4,4'-[1,3-phenylenebis(azo)]bisbenzene-1,3-diamine
Cas Number:
1052-38-6
Molecular formula:
C18H18N8
IUPAC Name:
4,4'-(1E,1'E)-1,3-phenylenebis(diazene-2,1-diyl)dibenzene-1,3-diamine
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder

Method

Species / strain
Species / strain / cell type:
S. typhimurium TA 1535, TA 1537, TA 98, TA 100 and E. coli WP2
Metabolic activation:
with and without
Metabolic activation system:
S9 hamster liver (Prival test)

Results and discussion

Test results
Species / strain:
other: all strains
Metabolic activation:
with and without
Genotoxicity:
negative
Cytotoxicity / choice of top concentrations:
no cytotoxicity

Applicant's summary and conclusion