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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Remarks:
Type of genotoxicity: chromosome aberration
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2004
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Study without detailed documentation

Data source

Reference
Reference Type:
secondary source
Title:
Unnamed
Year:
2004

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 474 (Mammalian Erythrocyte Micronucleus Test)
Deviations:
yes
Remarks:
- lack of methodological details.
GLP compliance:
no
Type of assay:
micronucleus assay

Test material

Constituent 1
Chemical structure
Reference substance name:
2-chloropyridine
EC Number:
203-646-3
EC Name:
2-chloropyridine
Cas Number:
109-09-1
Molecular formula:
C5H4ClN
IUPAC Name:
2-chloropyridine
Details on test material:
- Name of test material (as cited in study report): o-Chloropyridine

Test animals

Species:
mouse
Strain:
B6C3F1
Sex:
male/female

Administration / exposure

Route of administration:
oral: drinking water
Duration of treatment / exposure:
13 weeks (approximately 90 days)
Frequency of treatment:
Not reported.
Post exposure period:
24 hours.
Doses / concentrations
Remarks:
Doses / Concentrations:
0, 10, 30, 100, 300, or 1000 ppm
Basis:
nominal in water
No. of animals per sex per dose:
5/sex/dose
Control animals:
yes, concurrent vehicle

Examinations

Tissues and cell types examined:
Erythrocytes.

Results and discussion

Test results
Sex:
male/female
Genotoxicity:
negative
Toxicity:
not specified
Vehicle controls validity:
valid
Negative controls validity:
not examined
Positive controls validity:
not specified

Applicant's summary and conclusion

Conclusions:
Interpretation of results (migrated information): negative