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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
in vivo mammalian somatic cell study: cytogenicity / erythrocyte micronucleus
Adequacy of study:
other information
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
secondary literature

Data source

Reference
Title:
No information
Author:
Takenaka, S.-I. et al.: J. Toxicol. Sci. 18, 418 (1993);|abstract no. P-225

Materials and methods

Principles of method if other than guideline:
Acredine orange staining
GLP compliance:
not specified
Type of assay:
micronucleus assay

Test material

Constituent 1
Chemical structure
Reference substance name:
2,2'-dimethyl-2,2'-azodipropiononitrile
EC Number:
201-132-3
EC Name:
2,2'-dimethyl-2,2'-azodipropiononitrile
Cas Number:
78-67-1
Molecular formula:
C8H12N4
IUPAC Name:
2,2'-dimethyl-2,2'-azodipropiononitrile
Details on test material:
IUCLID4 Test substance: no data

TS-Freetext:
2,2'-azobisisobutyronitrile; no data on purity of the
compound

Test animals

Species:
mouse
Strain:
other: ddY
Sex:
male

Administration / exposure

Route of administration:
oral: unspecified
Duration of treatment / exposure:
double oral administration
Doses / concentrations
Remarks:
no data

Results and discussion

Test results
Sex:
male
Genotoxicity:
negative

Any other information on results incl. tables

negative

The mice were given a double oral dose of the test substance. At both 24 and 48 h after treatment, bone marrow
smears were prepared. Administration of the test substance did not result in a significant increase in the frequency of micronucleated polychromatic erythrocytes.

Only abstract available; no further data.

Applicant's summary and conclusion