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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
repeated dose toxicity: oral
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
1994

Materials and methods

Test material

Constituent 1
Chemical structure
Reference substance name:
2-(diethylamino)-6-methyl-1H-pyrimidin-4-one
EC Number:
255-848-6
EC Name:
2-(diethylamino)-6-methyl-1H-pyrimidin-4-one
Cas Number:
42487-72-9
Molecular formula:
C9H15N3O
IUPAC Name:
2-(diethylamino)-6-methyl-1,4-dihydropyrimidin-4-one

Test animals

Species:
rat
Sex:
male/female

Administration / exposure

Duration of treatment / exposure:
Five days/week for two weeks
Details on study design:
10 males and 10 female rats were dosed with 100 mg/kg or 400 mg/kg

Examinations

Sacrifice and pathology:
No toxic signs. No abnormalities were revealed on post mortem or histopathological examination.
Other examinations:
There was no significan anaemia, but reticulocytosis was seen particularly in male rats.

Results and discussion

Results of examinations

Details on results:
No toxic signs. No abnormalities were revealed on post mortem or histopathological examination.
There was no significan anaemia, but reticulocytosis was seen particularly in male rats.

Effect levels

Dose descriptor:
NOEL
Effect level:
> 400 mg/kg bw/day (actual dose received)
Based on:
test mat.
Sex:
male/female

Target system / organ toxicity

Critical effects observed:
not specified

Applicant's summary and conclusion

Conclusions:
No toxic signs were seen. Therefore the NOEC is > 400 mg/kg.