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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
sub-chronic toxicity: oral
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: Secondary source

Data source

Referenceopen allclose all

Reference Type:
publication
Title:
Unnamed
Year:
2010
Reference Type:
publication
Title:
Scientific Opinion
Author:
EFSA
Year:
2009
Bibliographic source:
EFSA Journal 2009; 7(12):1397

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 408 (Repeated Dose 90-Day Oral Toxicity Study in Rodents)
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2,6-diamino-1H-pyrimidin-4-one
EC Number:
200-254-4
EC Name:
2,6-diamino-1H-pyrimidin-4-one
Cas Number:
56-06-4
Molecular formula:
C4H6N4O
IUPAC Name:
2,6-diamino-1H-pyrimidin-4-one

Test animals

Species:
rat
Strain:
Wistar
Sex:
male/female

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
peanut oil
Doses / concentrations
Remarks:
Doses / Concentrations:
200, 800 and 1600 mg/kg bw
Basis:
actual ingested
No. of animals per sex per dose:
10

Results and discussion

Effect levels

Dose descriptor:
NOAEL
Effect level:
200 mg/kg bw/day (actual dose received)
Based on:
test mat.
Sex:
male/female
Basis for effect level:
other: Salivation was observed at 200 mg/kg bw.

Target system / organ toxicity

Critical effects observed:
not specified

Applicant's summary and conclusion