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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 / bone marrow chromosome aberration
Remarks:
Type of genotoxicity: chromosome aberration
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: Original Report not available.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1993

Materials and methods

Test guideline
Guideline:
EPA OPPTS 870.5385 (In Vivo Mammalian Cytogenetics Tests: Bone Marrow Chromosomal Analysis)
GLP compliance:
yes
Type of assay:
micronucleus assay

Test material

Constituent 1
Chemical structure
Reference substance name:
2-(4-aminophenyl)-6-methylbenzothiazole-7-sulphonic acid
EC Number:
204-979-7
EC Name:
2-(4-aminophenyl)-6-methylbenzothiazole-7-sulphonic acid
Cas Number:
130-17-6
Molecular formula:
C14H12N2O3S2
IUPAC Name:
2-(4-aminophenyl)-6-methyl-1,3-benzothiazole-7-sulfonic acid

Test animals

Species:
mouse
Strain:
B6C3F1
Sex:
male/female

Administration / exposure

Route of administration:
oral: feed
Duration of treatment / exposure:
90 d
Frequency of treatment:
FEED x 90, 90 Days
Doses / concentrationsopen allclose all
Remarks:
Doses / Concentrations:
0.3 mg/kg
Basis:
nominal in diet
Remarks:
Doses / Concentrations:
0.5 mg/kg
Basis:
nominal in diet
Remarks:
Doses / Concentrations:
1 mg/kg
Basis:
nominal in diet
Remarks:
Doses / Concentrations:
2 mg/kg
Basis:
nominal in diet
Remarks:
Doses / Concentrations:
4 mg/kg
Basis:
nominal in diet
No. of animals per sex per dose:
10
Control animals:
yes

Examinations

Tissues and cell types examined:
NCE

Results and discussion

Test results
Sex:
male/female
Genotoxicity:
negative
Toxicity:
no effects
Vehicle controls validity:
valid
Positive controls validity:
valid

Applicant's summary and conclusion

Conclusions:
Interpretation of results (migrated information): negative